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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">LV</journal-id>
<journal-id journal-id-type="nlm-ta">Lijec Vjesn</journal-id>
<journal-title-group>
<journal-title>Lijecnicki Vjesnik</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Lijec. Vjesn.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="ppub">0024-3477</issn>
<issn pub-type="epub">1849-2177</issn>
<publisher><publisher-name>Croatian Medical Association</publisher-name></publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">LV-144-1</article-id>
<article-id pub-id-type="doi">10.26800/LV-144-1-2-1</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Professional paper</subject></subj-group>
</article-categories>
<title-group>
<article-title>Smjernice za radiolo&#x0161;ko dijagnosticiranje i pra&#x0107;enje bolesnica oboljelih od raka dojke</article-title>
<trans-title-group xml:lang="en">
<trans-title>Clinical guidelines for radiological diagnosis and monitoring of patients with breast cancer</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes"><name><surname>Prutki</surname><given-names>Maja</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Petrove&#x010D;ki</surname><given-names>Marko</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Valkovi&#x0107; Zuji&#x0107;</surname><given-names>Petra</given-names></name><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ivanac</surname><given-names>Gordana</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><xref ref-type="aff" rid="aff5"><sup>5</sup></xref></contrib><contrib contrib-type="author"><name><surname>Tadi&#x0107;</surname><given-names>Tade</given-names></name><xref ref-type="aff" rid="aff8"><sup>8</sup></xref></contrib><contrib contrib-type="author"><name><surname>&#x0160;timac</surname><given-names>Damir</given-names></name><xref ref-type="aff" rid="aff6"><sup>6</sup></xref></contrib><contrib contrib-type="author"><name><surname>Bolan&#x010D;a &#x010C;ulo</surname><given-names>Karolina</given-names></name><xref ref-type="aff" rid="aff7"><sup>7</sup></xref></contrib><contrib contrib-type="author"><name><surname>Brklja&#x010D;i&#x0107;</surname><given-names>Boris</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><xref ref-type="aff" rid="aff5"><sup>5</sup></xref></contrib><contrib contrib-type="author"><name><surname>Podolski</surname><given-names>Paula</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mileti&#x0107;</surname><given-names>Damir</given-names></name><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib>
<aff id="aff1"><label>1</label><institution>Klini&#x010D;ki zavod za dijagnosti&#x010D;ku i intervencijsku radiologiju, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, Klini&#x010D;ki bolni&#x010D;ki centar Zagreb</institution>, <addr-line>Zagreb</addr-line></aff>
<aff id="aff2"><label>2</label><institution>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu</institution>, <addr-line>Zagreb</addr-line></aff>
<aff id="aff3"><label>3</label><institution>Klinika za onkologiju, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, Klini&#x010D;ki bolni&#x010D;ki centar Zagreb</institution>, <addr-line>Zagreb</addr-line></aff>
<aff id="aff4"><label>4</label><institution>Klini&#x010D;ki zavod za radiologiju, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Rijeci, Klini&#x010D;ki bolni&#x010D;ki centar u Rijeci</institution>, <addr-line>Rijeka</addr-line></aff>
<aff id="aff5"><label>5</label><institution>Klini&#x010D;ki zavod za dijagnosti&#x010D;ku i intervencijsku radiologiju, Klini&#x010D;ka bolnica Dubrava</institution>, <addr-line>Zagreb</addr-line></aff>
<aff id="aff6"><label>6</label>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta &#x201E;J. J. Strossmayer&#x201C; u Osijeku, <addr-line>Osijek</addr-line></aff>
<aff id="aff7"><label>7</label><institution>Klini&#x010D;ki zavod za dijagnosti&#x010D;ku i intervencijsku radiologiju, Klinika za tumore, Klini&#x010D;ki bolni&#x010D;ki centar Sestre milosrdnice</institution>, <addr-line>Zagreb</addr-line></aff>
<aff id="aff8"><label>8</label><institution>Klini&#x010D;ki zavod za dijagnosti&#x010D;ku i intervencijsku radiologiju, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Splitu, Klini&#x010D;ki bolni&#x010D;ki centar Split</institution>, <addr-line>Split</addr-line></aff>
</contrib-group>
<author-notes>
<corresp id="cor1">Adresa za dopisivanje: Prof. dr. sc. Maja Prutki, Klini&#x010D;ki zavod za dijagnosti&#x010D;ku i intervencijsku radiologiju, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, Klini&#x010D;ki bolni&#x010D;ki centar Zagreb, Ki&#x0161;pati&#x0107;eva 12, Zagreb; e-po&#x0161;ta: <email xlink:href="maja.prutki@gmail.com">maja.prutki@gmail.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>02</month><year>2022</year></pub-date>
<volume>144</volume>
<issue>1-2</issue>
<fpage>1</fpage>
<lpage>14</lpage>
<permissions>
<copyright-year>2022</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by-nc-nd/4.0/" specific-use="CC BY-NC-ND 4.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.</license-p></license>
</permissions>
<abstract>
<title>SA&#x017D;ETAK</title>
<p>Rak dojke naj&#x010D;e&#x0161;&#x0107;a je zlo&#x0107;udna novotvorina u &#x017E;ena u Republici Hrvatskoj. Osnovne radiolo&#x0161;ke pretrage u dijagnostici bolesti dojke jesu mamografija, ultrazvuk i magnetska rezonancija. U radu su prikazane radiolo&#x0161;ke smjernice za radiolo&#x0161;ku dijagnosti&#x010D;ku i intervencijsku obradu bolesti dojke i pra&#x0107;enje bolesnica oboljelih od raka dojke u Republici Hrvatskoj. Razra&#x0111;en je algoritam radiolo&#x0161;ke obrade kod simptomatskih bolesnica, trudnica i dojilja, bolesnica prosje&#x010D;nog i pove&#x0107;anog rizika za razvoj karcinoma dojke, te kod bolesnica s radiolo&#x0161;kim nalazom upalnih promjena (mastitisa).</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>Breast carcinoma is the most common neoplasm in the female population of Croatia. The main imaging breast diagnostic modalities are mammography, ultrasound, and magnetic resonance. This paper reviews radiological guidelines for breast diagnostic and interventional procedures, and monitoring of breast cancer patients in the Republic of Croatia. An algorithm for radiological assessment is presented for symptomatic patients, pregnant and lactating women, patients with average and increased risk of developing breast cancer, and patients with radiological findings of mastitis.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori TUMORI DOJKE &#x2013; patologija, slikovna dijagnostika</kwd><kwd>DOJKA &#x2013; patologija, slikovna dijagnostika</kwd><kwd>MAMOGRAFIJA &#x2013; metode</kwd><kwd>ULTRAZVUK DOJKE &#x2013; metode</kwd><kwd>MAGNETSKA REZONANCIJA &#x2013; metode</kwd><kwd>INTERVENCIJSKA RADIOGRAFIJA &#x2013; metode</kwd><kwd>POSTUPNICI</kwd><kwd>SMJERNICE &#x2013; standardi</kwd><kwd>HRVATSKA</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>BREAST NEOPLASMS &#x2013; diagnostic imaging, pathology</kwd><kwd>BREAST &#x2013; diagnostic imaging, pathology</kwd><kwd>MAMMOGRAPHY &#x2013; methods</kwd><kwd>ULTRASONOGRAPHY, MAMMARY &#x2013; methods</kwd><kwd>MAGNETIC RESONANCE IMAGING &#x2013; methods</kwd><kwd>RADIOGRAPHY, INTERVENTIONAL &#x2013; methods</kwd><kwd>ALGORITHMS</kwd><kwd>PRACTICE GUIDELINES AS TOPIC &#x2013; standards</kwd><kwd>CROATIA</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Rad je napravljen u Klini&#x010D;kom zavodu za dijagnosti&#x010D;ku i intervencijsku radiologiju Medicinskog fakulteta Sveu&#x010D;ili&#x0161;ta u Zagrebu, Klini&#x010D;ki bolni&#x010D;ki centar Zagreb.</p>
<p>Rak dojke naj&#x010D;e&#x0161;&#x0107;i je zlo&#x0107;udni tumor kod &#x017E;ena u svijetu i u Hrvatskoj &#x010D;ija incidencija je i dalje u porastu, a i jedan je od vode&#x0107;ih uzroka smrti. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) U ranom stadiju, kada je bolest lokalizirana samo u dojci, najve&#x0107;a je vjerojatnost za izlje&#x010D;enje te je bitno imati dobre smjernice koje bi pravovremeno uputile &#x017E;ene na pregled dojki, bilo klini&#x010D;ki (anamneza i status) ili radiolo&#x0161;ki (mamografija, ultrazvuk [UZV], magnetska rezonancija [MR]). Posljednje hrvatske smjernice za dijagnostiku raka dojke objavljene su 2012. godine u sklopu onkolo&#x0161;kih smjernica za dijagnostiku, lije&#x010D;enje i pra&#x0107;enje bolesnika oboljelih od raka dojke, a zadnje europske smjernice za probir i dijagnozu raka dojke &#x010D;etvrto su izdanje iz 2006. godine. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Potreba za izradom novih, prvenstveno radiolo&#x0161;kih smjernica, nastala je iz potrebe za standardizacijom radiolo&#x0161;kog postupka u dijagnosticiranju bolesti dojke. Hrvatsko dru&#x0161;tvo radiologa (HDR), Hrvatsko dru&#x0161;tvo za ultrazvuk u medicini i biologiji (HDUMB) te Hrvatsko senolo&#x0161;ko dru&#x0161;tvo (HSD) podr&#x017E;ali su ovu inicijativu te preporu&#x010D;ili da se smjernice uz pomo&#x0107; KBC-a Zagreb, Klinike za tumore KBC-a Sestara milosrdnica, KBC-a Rijeka, KBC-a Split, KBC-a Osijek i KB-a Dubrava usuglase te objave na nacionalnoj razini kao nove hrvatske radiolo&#x0161;ke smjernice za radiolo&#x0161;ku dijagnostiku bolesti dojke i pra&#x0107;enje bolesnica oboljelih od raka dojke.</p>
<p>Izrada ovih smjernica nije financijski potpomognuta.</p>
<p>GRADE (od engl. <italic>Grading of Recommendation Assessment, Development and Evaluation</italic>) klasifikacija je kori&#x0161;tena pri izradi ovih smjernica. Sustav ocjenjivanja dijeli preporuke kao jake, ozna&#x010D;ene kao 1, ili slabe, ozna&#x010D;ene kao 2. Razina kvalitete dokaza dijeli se na visoku (A), umjerenu (B) ili nisku (C). (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>)</p>
<sec sec-type="other1">
<title>Radiolo&#x0161;ke pretrage u dijagnostici bolesti dojke</title>
<sec>
<title>Mamografija, tomosinteza i kontrastna mamografija</title>
<p>Mamografija je osnovni pregled za rano otkrivanje raka dojke koji je prihva&#x0107;en kao metoda probira kod asimptomatskih &#x017E;ena starijih od 40 godina jer je jedina metoda pregleda dojki za koju je dokazano da smanjuje smrtnost od karcinoma.</p>
<p>Standardna mamografija podrazumijeva dvije projekcije svake dojke: kraniokaudalnu (CC) i kosu mediolateralnu projekciju (MLO). Nestandardne projekcije (postrani&#x010D;na mediolateralna (ML) projekcija, postrani&#x010D;na lateralno-medijalna (LM) projekcija, pretjerana medijalna projekcija (XCCM), pretjerana lateralna projekcija (XCCL), zaokretna ili <italic>rolled-on</italic> projekcija, dekolte projekcija ili <italic>cleavage view,</italic> tangencijalna projekcija) indiciraju se prema odluci radiologa, naj&#x010D;e&#x0161;&#x0107;e kada standardna mamografija nije dostatna za pouzdano postavljanje dijagnoze ili u specifi&#x010D;nim slu&#x010D;ajevima (npr. izostanak vizualizacije suspektne lezije na standardnoj mamografiji). Mamografski pregled, za razliku od UZV-a i MR-a, vr&#x0161;i se uz kompresiju tkiva dojke. Cijela procedura za obje dojke, uklju&#x010D;uju&#x0107;i i pripremu, traje oko 5 &#x2013; 10 minuta. Za &#x017E;ene generativne dobi mamografija se preporu&#x010D;uje u prvoj fazi menstrualnog ciklusa (od 5. do 12. dana) kada je gusto&#x0107;a &#x017E;ljezdanog tkiva manja.</p>
<p>Mamografija uklju&#x010D;uje izlaganje dojke rendgenskim zrakama koje nejednako slabe na temelju karakteristika tkiva dojke, o &#x010D;emu ovisi njena osjetljivost. Osjetljivost mamografije ve&#x0107;a je u involutivno promijenjenim dojkama (dojke s ve&#x0107;im udjelom masnog tkiva). Doza zra&#x010D;enja koju apsorbira dojka ovisi o debljini tkiva dojke, a apsorbirana doza raste s debljinom dojke. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>&#x2013;<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) Prema Pravilniku o uvjetima za primjenu izvora ioniziraju&#x0107;eg zra&#x010D;enja u svrhu medicinskog i nemedicinskog zra&#x010D;enja (NN 42/2018, 9. 5. 2018.) srednja &#x017E;ljezdana doza iznosi do 3 mGy po projekciji za debljinu komprimirane dojke od 55 mm (&#x00B1; 0,5 mm). U&#x010D;inkovita doza primljena tijekom rutinske mamografije jest 0,7 mSv, &#x0161;to je ekvivalentno dozi primljenoj prirodnim pozadinskim zra&#x010D;enjem tijekom tri mjeseca.</p>
<p>Postoje dvije glavne vrste digitalnih slikovnih sustava koji se koriste za dobivanje digitalnih mamograma: izravna radiografija (DR), gdje se slikovni podatci prenose izravno na radnu stanicu radiologa, i ra&#x010D;unalna radiografija (CR), gdje se uklonjivi detektor na bazi kazete umetne u vanjski ure&#x0111;aj u svrhu generiranja slikovnih podataka. Studije u kojima se uspore&#x0111;uje CR i DR pokazale su ni&#x017E;u osjetljivost na CR. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>, <xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) U kanadskoj studiji, CR sustavi bili su 38% manje osjetljivi od analogne mamografije i 21% manje u&#x010D;inkoviti u otkrivanju raka u usporedbi s izravnim digitalnim sustavima; stoga se CR sustavi ne preporu&#x010D;uju u radiologiji dojki. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>)</p>
<p>Digitalna mamografija s punim poljem (FFDM; od engl. <italic>Full Field Digital Mammography</italic>) dobiva se izravno, a digitalni detektori pretvaraju rendgenske fotone u elektroni&#x010D;ki signal. To se mijenja u digitalnu vrijednost uz pomo&#x0107; analogno-digitalnog pretvara&#x010D;a. Digitalni slikovni zapis dalje se obra&#x0111;uje i prikazuje kao radiogram sive skale. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Digitalnu sliku ra&#x010D;unalo mo&#x017E;e obraditi i prikazati u vi&#x0161;e formata. Digitalni signal mo&#x017E;e se elektroni&#x010D;kim putem poslati na mamografsku (ili radnu) stanicu za gledanje i prikazati na monitorima visoke razlu&#x010D;ivosti (najmanje 5 megapiksela). Prostorija u kojoj se o&#x010D;itava mamografija mora biti s prihvatljivom razinom pozadinskog osvjetljenja te za&#x0161;ti&#x0107;ena od buke.</p>
<p>Digitalna tomosinteza dojke (DBT; od engl. <italic>Digital Breast Tomosynthesis</italic>) jest tehnika tomografskog (slojevnog) prikaza dojki, razvijena kako bi se prevladala superpozicija tkiva, a njezinu klini&#x010D;ku prilagodbu olak&#x0161;ao je razvoj digitalnih detektora. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Slojevno snimanje kod DBT-a omogu&#x0107;uje analizu svakoga pojedinog sloja uz manji efekt superpozicije &#x017E;ljezdanog tkiva te se ostvaruje bolja vizualizacija lezija u dojci i pove&#x0107;ava osjetljivost mamografije u detekciji benignih i malignih promjena. Noviji sistemi DBT-a omogu&#x0107;uju rekonstruiranje svih projekcija iz 3D podataka u tzv. sintetsku ili S-mamografiju (SM) koja je komparabilna sa standardnom 2D mamografijom (FFDM). Dijagnosti&#x010D;ka primjena DBT-a uz rekonstrukcijsku SM odobrena je od Ameri&#x010D;ke agencije za hranu i lijekove (FDA; od engl. <italic>Food and Drug Administration</italic>) 2013. godine. SM je komparabilna s FFDM-om u detekciji karcinoma, pozitivnoj prediktivnoj vrijednosti (PPV) i u postotku ponovnih poziva.</p>
<p>Pozicioniranje dojke pri pregledu DBT-om provodi se u standardnim projekcijama kao i FFDM, no va&#x017E;nost pravilnog pozicioniranja dojki kod DBT-a je jo&#x0161; zna&#x010D;ajnija. Ve&#x0107;a dijagnosti&#x010D;ka to&#x010D;nost DBT-a smanjuje potrebu za ponovnim pozivima i dodatnim dijagnosti&#x010D;kim postupcima koji op&#x0107;enito uzrokuju neizvjesnost i zabrinutost za 30 &#x2013; 42%. (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Prednost DBT-a o&#x010D;ituje se kod gustih dojki gdje omogu&#x0107;uje bolju detekciju i definiranje malignih lezija, u procjeni pro&#x0161;irenosti i distribuciji patolo&#x0161;kih kalcifikata i uo&#x010D;avanju distorzije parenhima. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>&#x2013;<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>)</p>
<p>Rak dojke kao i ve&#x0107;inu zlo&#x0107;udnih tumora karakterizira tumorska angiogeneza, tj. sposobnost tumora da stvara vlastitu mre&#x017E;u krvnih &#x017E;ila &#x010D;ija je stijenka, zbog slabije kvalitete, pove&#x0107;ano propusna za kontrastno sredstvo koje se nakuplja u ekstracelularnom prostoru unutar tumora. Kontrastna mamografija (CEM, od engl. <italic>Contrast-Enhanced Mammography</italic>) koristi tehniku dvostruke energije koja se temelji u razlici atenuacije rendgenskog snopa izme&#x0111;u tkiva dojke i joda, u cilju boljeg prikaza podru&#x010D;ja unosa kontrastnog sredstva koja mogu biti povezana s rakom dojke. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>, <xref ref-type="bibr" rid="r18"><italic>18</italic></xref>)</p>
<p>Tehnika izvo&#x0111;enja pretrage uklju&#x010D;uje intravensku primjenu neionskog, niskoosmolarnog jodnog kontrastnog sredstva u dozi od 1,5 ml/kg, s brzinom injiciranja od 3 ml/s za vrijeme kojeg dojka nije komprimirana. Dvije minute nakon aplikacije kontrastnog sredstva dojka se pozicionira na mamografski ure&#x0111;aj te komprimira uporabom kompresijske plo&#x010D;e. Po svakoj akviziciji se dobivaju uparene niskoenergetske (23&#x2013;32 kVp) i visokoenergetske (45&#x2013;49 kVp) standardne mamografske projekcije, CC i MLO. Prema trenutnim smjernicama proizvo&#x0111;a&#x010D;a, preporu&#x010D;uju se akvizicije unutar 8 minuta od aplikacije kontrastnog sredstva. Rekombinirane projekcije nastaju oduzimanjem niskoenergetskih od visokoenergetskih projekcija, &#x0161;to poni&#x0161;tava signal iz pozadinskog tkiva dojke i nagla&#x0161;ava podru&#x010D;ja unosa joda. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) S obzirom na to da se vr&#x0161;i vi&#x0161;e ekspozicija nego kod konvencionalne mamografije, ve&#x0107;a je srednja &#x017E;ljezdana doza (AGD, od engl. <italic>Average Glandular Dose</italic>) za koju se procjenjuje da je oko 1,5 puta ve&#x0107;a od konvencionalne mamografije po svakoj projekciji, tj. do 81% ve&#x0107;a u odnosu na FFDM te do 48% ve&#x0107;a u usporedbi s AGD-om kod DBT-a. No, vrijednosti AGD-a kod CEM-a i dalje su unutar granica prihvatljivosti koje su propisane Pravilnikom o uvjetima za primjenu izvora ioniziraju&#x0107;eg zra&#x010D;enja u svrhu medicinskog i nemedicinskog ozra&#x010D;enja (NN 42/2018, 9. 5. 2018.). (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>&#x2013;<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>)</p>
<p>S obzirom na to da se CEM temelji na prikazu neovaskularizacije, metoda je superiorna u odnosu na FFDM kod &#x017E;ena s gustim &#x017E;ljezdanim tkivom dojke te rezultira u manjem broju la&#x017E;no negativnih nalaza. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>&#x2013;<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Naj&#x010D;e&#x0161;&#x0107;e indikacije za CEM su nadopuna nejasnog ili sumnjivog nalaza nakon konvencionalnih pretraga, mamografije i/ili ultrazvuka (1, C). Dodatne indikacije za CEM uklju&#x010D;uju procjenu odgovora na neoadjuvantnu terapiju kod bolesnica s kontraindikacijom za MR (npr. klaustrofobija) ili u slu&#x010D;ajevima kada MR pretraga nije dostupna, te za procjenu recidiva bolesti. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>&#x2013;<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>) Istra&#x017E;ivanja pokazuju da su specifi&#x010D;nosti i PPV CEM-a u detekciji raka dojke u populaciji visokog rizika usporedive sa specifi&#x010D;no&#x0161;&#x0107;u i PPV MR-a dojke u istoj populaciji, stoga CEM predstavlja alternativu u probiru visokorizi&#x010D;ne populacije u slu&#x010D;ajevima kada MR nije dostupan ili je kontraindiciran (1, C). (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>, <xref ref-type="bibr" rid="r32"><italic>32</italic></xref>)</p>
</sec>
<sec>
<title>Ultrazvuk dojki, elastografija, kontrastni i automatski ultrazvuk</title>
<p>Ultrazvuk dojki (UZV) je metoda koja prikazuje akusti&#x010D;ka svojstva tkiva dojke uz pomo&#x0107; ultrazvu&#x010D;nih valova. UZV, za razliku od mamografije, ne izla&#x017E;e bolesnicu ioniziraju&#x0107;em zra&#x010D;enju. Pregled nije bolan, koristi se nje&#x017E;an pritisak i bolesnice ga ve&#x0107;inom dobro podnose. Apsolutne kontraindikacije za UZV nema, osim eventualne nemogu&#x0107;nosti bolesnice da se namjesti u le&#x017E;e&#x0107;i polo&#x017E;aj. UZV je subjektivna metoda koja ovisi o ispitiva&#x010D;u, stoga je bitno da UZV dojki radi radiolog s adekvatnom edukacijom u slikovnoj dijagnostici dojki. Frekvencija sonde kojom se izvodi UZV pregled dojki treba biti &#x2265;12 MHz. (<xref ref-type="bibr" rid="r33"><italic>33</italic></xref>) Ultrazvuk dojke osobito je pogodan za mlade &#x017E;ene i &#x017E;ene s gustim dojkama, kod kojih je osjetljivost mamografije u detekciji &#x017E;ari&#x0161;nih promjena zna&#x010D;ajno smanjena (1, A). Radiolog koji radi UZV dojki trebao bi biti dobro upoznat s drugim pretragama koje se koriste u dijagnostici bolesti dojki kako bi naknadno mogao napraviti ciljani UZV pregled nakon prethodno u&#x010D;injene dijagnostike drugom metodom poput mamografije ili MR-a. Ciljani UZV omogu&#x0107;uje da se skrati vrijeme pregleda te se umjesto obje dojke pregledava samo jedna dojka ili ciljani kvadrant odre&#x0111;ene dojke. UZV aksilarne regije jest metoda izbora za procjenu zahva&#x0107;enosti limfnih &#x010D;vorova kod bolesnica s karcinomom dojke (1, A). (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>)</p>
<p>Apsolutne indikacije za UZV pregled dojki (1, A):</p>
<list id="L1" list-type="simple"><list-item><p>jednostrano oticanje dojke, crvenilo i oteklina ko&#x017E;e;</p></list-item>
<list-item><p>nabiranje ili uvla&#x010D;enje dojke poput &#x201E;kore od naran&#x010D;e&#x201C;;</p></list-item>
<list-item><p>smanjenje volumena dojke;</p></list-item>
<list-item><p>spontani iscjedak iz bradavice, suspektni (krvavi ili serozni) iscjedak iz dojke;</p></list-item>
<list-item><p>promjena bradavice, uvla&#x010D;enje ili crvenilo i stvaranje krasti;</p></list-item>
<list-item><p>palpabilna kvr&#x017E;ica u &#x017E;ena mla&#x0111;ih od 40 godina</p></list-item>
<list-item><p>aksilarna limfadenopatija;</p></list-item>
<list-item><p>klini&#x010D;ki simptomi i abnormalnosti dojke kod &#x017E;ena koje su trudne ili su dojilje;</p></list-item>
<list-item><p>suspektne tvorbe opisivane na mamografiji ili MR-u dojke;</p></list-item>
<list-item><p>abnormalnosti o&#x017E;iljka nakon operacije dojke, u smislu segmentektomije ili mastektomije;</p></list-item>
<list-item><p>abnormalnosti implantata dojki;</p></list-item>
<list-item><p>probir &#x017E;ena s visokim rizikom kada MR dojki nije mogu&#x0107;e u&#x010D;initi;</p></list-item>
<list-item><p>procjena pro&#x0161;irenosti karcinoma dojke kada MR dojki nije mogu&#x0107;e u&#x010D;initi;</p></list-item>
<list-item><p>UZV-om navo&#x0111;ene perkutane intervencije na dojci;</p></list-item>
<list-item><p>pra&#x0107;enje bolesnica tijekom neoadjuvantne terapije kada MR dojki nije u&#x010D;injen (ako postoji mogu&#x0107;nost kontrastnog ultrazvuka [CEUS, engl. <italic>Contrast Enhanced Ultrasound</italic>]).</p></list-item></list>
<p>Relativne indikacije za UZV dojki (1, B):</p>
<list id="L2" list-type="simple"><list-item><p>dodatni probir nakon u&#x010D;injene mamografije u &#x017E;ena od 40. do 74. g. s gustim dojkama ACR C i D (opcionalno, ako postoji, u&#x010D;initi automatski ultrazvuk [ABUS, od engl. <italic>Automated Breast Ultrasound System</italic>]);</p></list-item>
<list-item><p>bolesnice s pove&#x0107;anim rizikom za karcinom do 30. godine;</p></list-item>
<list-item><p>pra&#x0107;enje bolesnica s prethodno operiranim karcinomom dojke koji je bio okultan na mamografiji;</p></list-item>
<list-item><p>palpabilna kvr&#x017E;ica koju &#x017E;ena osjeti unutar dojke, iako je klini&#x010D;ki nalaz uredan;</p></list-item>
<list-item><p>fokalna bolnost dojki koja nije povezana s menstrualnim ciklusom;</p></list-item>
<list-item><p>intraoperativna detekcija lezija unutar dojke.</p></list-item></list>
<p>U dana&#x0161;nje vrijeme gotovo svi ure&#x0111;aji imaju obojeni <italic>Doppler</italic> koji pokazuje vaskularizaciju tvorbe ili raspored krvnih &#x017E;ila unutar dojke, &#x0161;to je va&#x017E;no za dijagnostiku i ultrazvu&#x010D;ne intervencije. Osim vaskularizacije, obojeni <italic>Doppler</italic> koristan je i zbog artefakata koje uzrokuje, a koji se mogu iskoristiti za lak&#x0161;i pronalazak ranije postavljenih tkivnih markera ili kalcifikata unutar dojke (2, B). (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>)</p>
<p>Sonoelastografija je etablirana ultrazvu&#x010D;na metoda kojom se procjenjuje i mjeri tvrdo&#x0107;a tkiva dojke, odnosno odre&#x0111;ene lezije u dojci, i uvr&#x0161;tena je u posljednju verziju leksikona BI-RADS. Elastografija posmi&#x010D;nog vala (engl. <italic>shear-wave elastography</italic>) omogu&#x0107;uje kvantifikaciju tvrdo&#x0107;e lezija mjerenjem Youngovog modula elasti&#x010D;nosti u kilopaskalima (kPa) ili m/s, a tako&#x0111;er je mogu&#x0107;a i kvantifikacija u boji. (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) &#x0160;to je elastografski lezija tvr&#x0111;a, ve&#x0107;a je sumnja za malignost. Druga metoda sonoelastografije jest <italic>strain</italic> elastografija, koja je kvalitativna i kodirana bojom, no u odabranom dijelu mogu&#x0107;a je i kvantifikacija prema okolnom parenhimu. (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>, <xref ref-type="bibr" rid="r38"><italic>38</italic></xref>) Kao i UZV, elastografija je metoda koja ovisi o iskustvu ispitiva&#x010D;a; stoga je potrebno iskustvo kako bi se broj la&#x017E;no pozitivnih nalaza sveo na najmanju mogu&#x0107;u mjeru.</p>
<p>CEUS se temelji na intravenskoj primjeni kontrasta u vidu mikromjehuri&#x0107;a zraka. Ultrazvu&#x010D;no kontrastno sredstvo ima znatno manje nuspojava od drugih kontrastnih sredstva na bazi joda i gadolinija. CEUS-om se mjeri prokrvljenost tvorbe u dojci s izra&#x010D;unom dinami&#x010D;ke krivulje po uzoru na MR, &#x010D;ime se ostvaruje ve&#x0107;a osjetljivost u razlikovanju benignih od malignih lezija u dojci u odnosu na nativni UZV. (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>) Mada CEUS jo&#x0161; nije u &#x0161;irokoj primjeni u dijagnostici bolesti dojki, mo&#x017E;e se koristiti u svrhu pra&#x0107;enja u&#x010D;inka neoadjuvantne terapije kada MR dojki nije dostupan ili je kontraindiciran (2, B). Nedostatak CEUS-a u odnosu na MR dojki jest mogu&#x0107;nost pra&#x0107;enja samo jedne lezije tijekom trajanja pretrage.</p>
<p>Automatski ultrazvuk dojke nova je metoda kojom se pomo&#x0107;u samorotiraju&#x0107;e sonde omogu&#x0107;uje standardizirani ultrazvu&#x010D;ni pregled dojke. To se posti&#x017E;e volumetrijskim rekonstruiranjem trodimenzionalnih ultrazvu&#x010D;nih slika koje se mogu pohraniti te naknadno obraditi i o&#x010D;itati, a trodimenzionalni prikaz omogu&#x0107;uje analizu parenhima iz vi&#x0161;e smjerova, &#x010D;ime se pove&#x0107;ava i to&#x010D;nost interpretacije nalaza. Metodom ABUS-a prevladavaju se ograni&#x010D;enja ru&#x010D;nog ultrazvuka, poput subjektivnosti i vremena koje lije&#x010D;nik utro&#x0161;i za obavljanje pregleda. ABUS se izvodi u ambulantnim uvjetima, pregled izvodi drugo medicinsko osoblje (medicinske sestre ili radiolo&#x0161;ki tehnolozi), a lije&#x010D;nik naknadno interpretira pohranjene slikovne podatke. ABUS je tako&#x0111;er iznimno korisna dijagnosti&#x010D;ka metoda za nadopunu probirne mamografije, posebno kod dojki gra&#x0111;enih od gustoga &#x017E;ljezdanog parenhima, gdje mamografija ima relativno slabu osjetljivost (1, B). Kontraindikacije za pregled dojki ABUS-om jesu deformiteti dojke i stanje nakon operacije dojke. (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>)</p>
</sec>
<sec>
<title>Magnetska rezonancija dojki</title>
<p>Magnetska rezonancija (MR) dojki dijagnosti&#x010D;ka je metoda za detekciju karcinoma dojke s najve&#x0107;om osjetljivo&#x0161;&#x0107;u. (<xref ref-type="bibr" rid="r41"><italic>41</italic></xref>) Multiparametrijski MR pregled dojki (mpMR) ima za cilj kvantifikaciju i vizualizaciju funkcionalnih procesa na stani&#x010D;noj i molekularnoj razini poput neoangiogeneze, celularnosti, tumorskog mikrookoli&#x0161;a, statusa receptora, metaboli&#x010D;ke aktivnosti, kiselosti tkiva i tkivne oksigenacije. (<xref ref-type="bibr" rid="r42"><italic>42</italic></xref>, <xref ref-type="bibr" rid="r43"><italic>43</italic></xref>) MpMR dojki je odli&#x010D;an za detekciju lezija, za procjenu lokalne pro&#x0161;irenosti bolesti te otkrivanje multicentri&#x010D;nih, multifokalnih ili bilateralnih karcinoma dojki. (<xref ref-type="bibr" rid="r44"><italic>44</italic></xref>) MR pregled dojki u&#x010D;injen prije kirur&#x0161;kog zahvata smanjuje postotak ponovnih operativnih zahvata (1, A). (<xref ref-type="bibr" rid="r45"><italic>45</italic></xref>)</p>
<p>Bolesnica za MR dojke dobiva intravenski kontrast na bazi gadolinija koji se izlu&#x010D;uje urinom, stoga su potrebne vrijednosti ureje i kreatinina radi procjene bubre&#x017E;ne funkcije. Za vrijeme pregleda bolesnica le&#x017E;i na trbuhu, s dojkama u zavojnici koje slobodno vise unutar same zavojnice kako bi se smanjili artefakti micanja. Pregled bi se trebao raditi izme&#x0111;u 5. i 12. dana menstrualnog ciklusa kod fertilnih &#x017E;ena, odnosno kada je najpogodnija razina hormona za prikaz vaskulariziranih tvorbi unutar dojke. Pregled MR-om traje oko 20 minuta. Hormonska nadomjesna terapija smanjuje specifi&#x010D;nost MR-a dojki.</p>
<p>Kontraindikacije za pregled dojki MR-om jesu: nemogu&#x0107;nost bolesnice da le&#x017E;i na trbuhu; trudno&#x0107;a i dojenje; postavljen elektrostimulator, strano metalno tijelo nepoznatog sastava ili sastava koji ne smije u magnetsko polje. Pregled MR-om ne preporu&#x010D;uje se bolesnicama kojima je pro&#x0161;lo manje od 6 mjeseci od operacije (osim u slu&#x010D;aju suspektnog rezidualnog tumora) i manje od jedne godine od provedene radijacijske terapije zbog smanjene specifi&#x010D;nosti pregleda (2, A).</p>
<p>Indikacije za MR dojki jesu (1, A):</p>
<list id="L3" list-type="simple"><list-item><p>karakterizacija lezije nesigurnoga malignog potencijala (B3 lezija);</p></list-item>
<list-item><p>prije, za vrijeme i nakon provedenog neoadjuvantnog lije&#x010D;enja;</p></list-item>
<list-item><p>obrada biopsijom dokazanih karcinoma dojke: lobularni karcinom, pro&#x0161;ireni duktalni karcinom i suspektni duktalni karcinom <italic>in situ</italic> (DCIS), gust parenhim, sumnja na infiltraciju pektoralne fascije, sumnja na bilateralni karcinom dojke;</p></list-item>
<list-item><p>nepoznat primarni tumor kod metastatski promijenjenih limfnih &#x010D;vorova u pazuhu;</p></list-item>
<list-item><p>analiza silikonskih i nesilikonskih umetaka dojke (pretraga se radi bez primjene kontrastnog sredstva);</p></list-item>
<list-item><p>suspektna rezidualna bolest kod bolesnica nakon operacije dojke;</p></list-item>
<list-item><p>pra&#x0107;enje bolesnica visokog rizika (BRCA 1 i 2 mutacija ili mutacije drugih onkogena povezane s karcinomom dojke, prvi srodnik s karcinomom dojke);</p></list-item>
<list-item><p>pozitivna osobna anamneza na atipi&#x010D;nu duktalnu hiperplaziju (ADH) i lobularnu intraepitelnu neoplaziju (LIN);</p></list-item>
<list-item><p>bolesnice koje su prije 30. godine &#x017E;ivota primile radijacijsku terapiju u podru&#x010D;ju grudnog ko&#x0161;a.</p></list-item></list>
<p>MR dojki po skra&#x0107;enom protokolu (engl. <italic>abbreviated breast MRI</italic>) (aksijalna T2 mjerena slika, aksijalne dinami&#x010D;ke sekvence prije i dvije nakon primjene kontrastnog sredstva) trebao bi se koristiti u probiru bolesnica s pove&#x0107;anim rizikom za razvoj karcinoma dojke (1, B). (<xref ref-type="bibr" rid="r46"><italic>46</italic></xref>) Time se skra&#x0107;uje vrijeme pregleda kao i vrijeme radiolo&#x0161;ke analize.</p>
</sec>
</sec>
<sec sec-type="other2">
<title>BI-RADS kategorizacija nalaza</title>
<p>Kako bi se nalazi dojki ujedna&#x010D;ili u &#x0161;iroku je praksu uveden standardizirani sustav tuma&#x010D;enja i kategorizacije nalaza (BI-RADS, prema engl. <italic>Breast Imaging and Reporting Data System</italic>). Kori&#x0161;tenje BI-RADS-a za standardizirano izvje&#x0161;tavanje poma&#x017E;e u usmjeravanju dono&#x0161;enja odluka i slu&#x017E;i kao koristan alat u prikupljanju podataka i reviziji pojedina&#x010D;nih praksi, kako za mamografiju tako i za UZV dojki i MR. BI-RADS opisuje organizaciju izvje&#x0161;&#x0107;a i standardizirani jezik koji se koristi za radiolo&#x0161;ke nalaze i zaklju&#x010D;ke. Kategorije kona&#x010D;ne dijagnosti&#x010D;ke procjene ukazuju na relativnu vjerojatnost normalne, benigne ili zlo&#x0107;udne dijagnoze. Na kraju svakoga mamografskog, UZV i MR izvje&#x0161;&#x0107;a treba koristiti jednu od sedam kategorija kona&#x010D;ne procjene (1, A). (<xref ref-type="bibr" rid="r47"><italic>47</italic></xref>)</p>
</sec>
<sec sec-type="other3">
<title>Radiolo&#x0161;ke pretrage kod procjene i pra&#x0107;enja pro&#x0161;irenosti karcinoma dojke</title>
<p>Radiolo&#x0161;ka obrada za procjenu pro&#x0161;irenosti maligne bolesti nije indicirana kod asimptomatskih bolesnica s dijagnosticiranim ranim stadijem karcinoma dojke. Procjena pro&#x0161;irenosti maligne bolesti treba se u&#x010D;initi kod bolesnica s klini&#x010D;kim stadijem IIB, uznapredovanom aksilarnom bole&#x0161;&#x0107;u, klini&#x010D;kim stadijem III, lokalno uznapredovanim i inflamatornim karcinomom dojke. Radiolo&#x0161;ka metoda izbora je PET/CT (1, A). U slu&#x010D;aju nedostupnosti mo&#x017E;e se u&#x010D;initi i CT toraksa, abdomena i zdjelice i scintigrafija kostiju (1, A). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>) Kod diseminirane bolesti u tijeku sustavnoga onkolo&#x0161;kog lije&#x010D;enja pra&#x0107;enje se vr&#x0161;i svaka 2 &#x2013; 3 mjeseca, po mogu&#x0107;nosti istom metodom, te se ocjenjuje odgovor po kriterijima RECIST 1.1. (<xref ref-type="bibr" rid="r49"><italic>49</italic></xref>)</p>
</sec>
<sec sec-type="other4">
<title>Radiolo&#x0161;ka obrada simptomatskih bolesnica</title>
<p>U simptomatske bolesnice ubrajamo one kod kojih dolazi do pojave navedenih simptoma:</p>
<list id="L4" list-type="simple"><list-item><p>palpabilna tvorba u podru&#x010D;ju dojke ili pazu&#x0161;ne jame;</p></list-item>
<list-item><p>jednostrano oticanje dojke, crvenilo i oteklina ko&#x017E;e;</p></list-item>
<list-item><p>nabiranje ili uvla&#x010D;enje ko&#x017E;e dojke &#x201E;poput kore naran&#x010D;e&#x201C;;</p></list-item>
<list-item><p>smanjenje volumena dojke;</p></list-item>
<list-item><p>spontani iscjedak iz bradavice;</p></list-item>
<list-item><p>promjene bradavice, uvla&#x010D;enje, crvenilo ili stvaranje krasti. (<xref ref-type="bibr" rid="r50"><italic>50</italic></xref>)</p></list-item></list>
<p>Uz klini&#x010D;ki pregled, UZV je metoda izbora kod bolesnica do 35. godine starosti i nakon toga daljnja obrada ovisno o nalazu (1, A). Nakon klini&#x010D;kog pregleda kod bolesnica starijih od 35 godina, dijagnostika se nadopunjuje mamografijom (koja mo&#x017E;e uklju&#x010D;iti i DBT) i nakon toga daljnja obrada ovisno o nalazu (1, A). Nakon pojave simptoma potrebno je radiolo&#x0161;ku dijagnostiku u&#x010D;initi unutar 7 &#x2013; 14 dana. Nakon mamografije, u slu&#x010D;aju BIRADS 0 i palpabilne tvorbe potrebno je u&#x010D;initi UZV unutar 7 dana, kao i u slu&#x010D;aju BIRADS 4. i 5. kategorije. UZV je dobra metoda za dijagnostiku naglog pove&#x0107;anja tvorbe ili bolne tvorbe, &#x0161;to mo&#x017E;e uklju&#x010D;ivati cistu. Tada u obzir mo&#x017E;e do&#x0107;i i terapijski postupak &#x2013; citolo&#x0161;ka evakuacija sadr&#x017E;aja ciste pod kontrolom UZV-a, no jednostavne, asimptomatske ciste nije potrebno citolo&#x0161;ki evaluirati. Kod suspektnih tvorbi koje bi upu&#x0107;ivale na malignu bolest, BI-RADS 4. i 5. kategorije, nakon UZV-a potrebno je u&#x010D;initi biopsiju &#x0161;irokom iglom (CNB, od engl. <italic>Core Needle Biopsy</italic>), a kod takvih bolesnica u&#x010D;initi i mamografiju (s DBT-om ili bez njega). Ovisno o nalazu biopsije, odlu&#x010D;uje se o potrebi za MR-om. Kada se kod bolesnica javlja jednostrana, lokalizirana, necikli&#x010D;na bol u dojkama, vjerojatnost za malignu bolest iznosi svega 1%. (<xref ref-type="bibr" rid="r51"><italic>51</italic></xref>) &#x017D;ene s difuznom bolnosti u dojkama, povezane s predmenstrualnom fazom ciklusa, &#x010D;esto se pregledavaju i prate temeljem dobi i pridru&#x017E;ene rizi&#x010D;nosti za malignu bolest.</p>
</sec>
<sec sec-type="other5">
<title>Simptomatske bolesnice</title>
<list id="L5" list-type="bullet"><list-item><p>prvi pregled unutar 10 &#x2013; 14 dana</p>
<list id="L6" list-type="simple"><list-item><p>tvrda i bezbolna kvr&#x017E;ica u podru&#x010D;ju dojke ili pazu&#x0161;ne jame</p></list-item>
<list-item><p>jednostrano oticanje dojke, crvenilo i oteklina ko&#x017E;e</p></list-item>
<list-item><p>nabiranje ili uvla&#x010D;enje ko&#x017E;e dojke poput &#x201E;kore naran&#x010D;e&#x201D;</p></list-item>
<list-item><p>smanjenje volumena dojke</p></list-item>
<list-item><p>spontani iscjedak iz bradavice</p></list-item>
<list-item><p>promjene bradavice, uvla&#x010D;enje, crvenilo ili stvaranje krasti</p>
<list id="L7" list-type="bullet"><list-item><p>do 35. godine &#x017E;ivota UZV dojki &#x2192; daljnja obrada ili kontrola</p></list-item>
<list-item><p>nakon 35. godine &#x017E;ivota mamografija (s tomosintezom) i UZV pregled &#x2192; daljnja obrada ili kontrola</p></list-item></list></list-item></list></list-item></list>
</sec>
<sec sec-type="other6">
<title>Radiolo&#x0161;ka obrada dojke kod trudnica i dojilja</title>
<p>Tijekom trudno&#x0107;e i dojenja pod utjecajem hormona dolazi do fiziolo&#x0161;kih promjena koje rezultiraju pove&#x0107;anjem gusto&#x0107;e parenhima i sadr&#x017E;aja vode, &#x0161;to dovodi do pove&#x0107;anja dojki s izra&#x017E;enijom nodularno&#x0161;&#x0107;u i tvrdo&#x0107;om dojki. Od palpabilnih tvorbi koje se na&#x0111;u tijekom trudno&#x0107;e i dojenja 80% ih je benignih. (<xref ref-type="bibr" rid="r52"><italic>52</italic></xref>) UZV je primarna dijagnosti&#x010D;ka metoda pregleda (1, A), pri &#x010D;emu je potrebno uzeti u obzir promjenu ehogenosti tkiva dojke uslijed fiziolo&#x0161;kih promjena i hipervaskularizacije. Normalizacija parenhima slijedi tri mjeseca nakon prestanka laktacije, kada je potrebno napraviti kontrolni UZV pregled. Mamografiju i MR pregled dojki, ukoliko nije potrebno odmah, odgoditi nakon poroda i laktacije (2, B). Promjene u tijeku trudno&#x0107;e mogu uklju&#x010D;ivati: krvavi iscjedak iz bradavice, palpabilnu tvorbu, pove&#x0107;anje dojke s upalom ili bez upale (mastitisa). U slu&#x010D;aju krvavog iscjetka iz jedne dojke potrebno je u&#x010D;initi UZV i u slu&#x010D;aju pro&#x0161;irenja kanali&#x0107;a bez tvorbi kontrola nakon poroda, a u slu&#x010D;aju suspektne tvorbe u&#x010D;initi biopsiju &#x0161;irokom iglom (1, A). Kod palpabilnih tvorbi, ako su vidljive na UZV-u, potrebno je u&#x010D;initi CNB ako se radi o novonastalim promjenama ili progresiji veli&#x010D;ine prethodno dijagnosticiranih benignih tvorbi i nakon toga kontrola UZV-om za &#x0161;est mjeseci (1, A). Galaktocele se mogu ultrazvu&#x010D;no pratiti i nije potrebna citolo&#x0161;ka aspiracija s obzirom na to da &#x010D;esto dolazi do resorpcije (2, A). U slu&#x010D;aju da ne dolazi do regresije, prisutna je bolnost ili znakovi upale, galaktocele se mogu evakuirati citolo&#x0161;kom punkcijom (2, A). U slu&#x010D;aju pove&#x0107;anja i crvenila dojke u smislu mastitisa potrebno je u&#x010D;initi UZV i isklju&#x010D;iti formiranu upalnu kolekciju (1, A). Uz antibiotsku terapiju, upalna se kolekcija evakuira pod kontrolom UZV-a, te se mo&#x017E;e i ponoviti do resorpcije (1, A). U slu&#x010D;aju da se uz upalu ultrazvu&#x010D;no registrira suspektna tvorba potrebno je u&#x010D;initi CNB (1, B).</p>
</sec>
<sec sec-type="other7">
<title>Bolesnice prosje&#x010D;nog rizika za razvoj karcinoma dojke</title>
<p>Bolesnice kod kojih je o&#x010D;ekivani rizik od oboljenja raka dojke u &#x017E;ivotu &lt;15% smatraju se bolesnicama prosje&#x010D;nog rizika. To su bolesnice koje nemaju dokazanu ekspresiju onkogena kod genomskog testiranja, u prvoj obiteljskoj liniji nemaju poznatog oboljenja od raka dojke ili jajnika, nemaju osobne anamneze patohistolo&#x0161;ki dokazanog LIN-a, ADH ili DCIS-a te nisu imale radioterapiju u podru&#x010D;ju prsi&#x0161;ta prije 30. godine &#x017E;ivota. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r53"><italic>53</italic></xref>, <xref ref-type="bibr" rid="r54"><italic>54</italic></xref>) Kod tih bolesnica prije 40. godine &#x017E;ivota dovoljno je raditi samopregled dojki jednom mjese&#x010D;no. Iako je Europsko dru&#x0161;tvo za oslikavanje dojki (EUSOBI, od engl. <italic>European Society of Breast Imaging</italic>) protiv kori&#x0161;tenja UZV-a kao probirne metode kod asimptomatskih bolesnica, eventualno je mogu&#x0107;e nakon 30. godine u&#x010D;initi UZV dojki jednom godi&#x0161;nje do bazi&#x010D;ne mamografije (2, B). (<xref ref-type="bibr" rid="r55"><italic>55</italic></xref>) Nakon 40. godine savjetuje se zapo&#x010D;eti redovne godi&#x0161;nje mamografije, eventualno jednom u dvije godine do 50. godine &#x017E;ivota, nakon &#x010D;ega je svakako preporuka godi&#x0161;nja mamografija (1, A). (<xref ref-type="bibr" rid="r55"><italic>55</italic></xref>&#x2013;<xref ref-type="bibr" rid="r57"><italic>57</italic></xref>) Kod gustoga &#x017E;ljezdanog tkiva dojke, tipa C i D prema klasifikaciji Ameri&#x010D;kog dru&#x0161;tva radiologa (ACR, od engl. <italic>American College of Radiology</italic>), zbog smanjene osjetljivosti mamografije te zbog pove&#x0107;anog rizika od nastanka raka dojke, savjetuje se u&#x010D;initi i komplementarni UZV ili ABUS (1, B). (<xref ref-type="bibr" rid="r58"><italic>58</italic></xref>) Svaka bolesnica nakon 75. godine &#x017E;ivota zahtijeva individualni pristup u procjeni potrebe radiolo&#x0161;kih pregleda ovisno o zdravstvenom stanju i komorbiditetima (2, B). (<xref ref-type="bibr" rid="r56"><italic>56</italic></xref>)</p>
</sec>
<sec sec-type="other8">
<title>Bolesnice prosje&#x010D;nog rizika za razvoj karcinoma dojke</title>
<list id="L8" list-type="bullet"><list-item><p>samopregled dojki do 40. godine &#x017E;ivota</p>
<list id="L9" list-type="bullet"><list-item><p>eventualno pregled u Ambulanti za bolesti dojke</p></list-item>
<list-item><p>eventualno od 30. do 40. godine &#x017E;ivota UZV dojki</p></list-item></list>
</list-item><list-item><p>inicijalna mamografija (s tomosintezom) s 40 godina</p>
<list id="L10" list-type="bullet"><list-item><p>ACR gusto&#x0107;a A i B &#x2192; mamografija jednom godi&#x0161;nje (eventualno jednom u dvije godine do 50. godine &#x017E;ivota)</p></list-item>
<list-item><p>ACR gusto&#x0107;a C i D &#x2192; UZV dojki ili ABUS (ovisno o dostupnosti) kao nadopuna mamografije</p></list-item></list>
</list-item><list-item><p>mamografija (s tomosintezom) godi&#x0161;nje od 50. godine &#x017E;ivota</p>
<list id="L11" list-type="bullet"><list-item><p>ACR gusto&#x0107;a C i D &#x2192; UZV dojki ili ABUS (ovisno o dostupnosti) kao nadopuna mamografije</p></list-item></list></list-item></list>
</sec>
<sec sec-type="other9">
<title>Bolesnice pove&#x0107;anog rizika za razvoj raka dojke</title>
<p>Bolesnice kod kojih je o&#x010D;ekivani rizik od oboljenja raka dojke u &#x017E;ivotu &gt; 20% smatraju se bolesnicama pove&#x0107;anog rizika. S obzirom na to da je taj pove&#x0107;ani rizik ponekada te&#x0161;ko procijeniti koriste se razni izra&#x010D;uni nastali prema statisti&#x010D;kim modelima, a najpoznatiji i naj&#x010D;e&#x0161;&#x0107;e kori&#x0161;teni je ra&#x0111;en prema Gailovom modelu. (<xref ref-type="bibr" rid="r59"><italic>59</italic></xref>, <xref ref-type="bibr" rid="r60"><italic>60</italic></xref>) Gailov model se ne mo&#x017E;e koristiti kod bolesnica mla&#x0111;ih od 35 i starijih od 85 godina, kod bolesnica koje se ve&#x0107; smatraju visokorizi&#x010D;nima zbog anamneze, tj. imaju dokazanu ekspresiju onkogena kod genomskog testiranja ili sindrome koji pove&#x0107;avaju rizik od razvoja raka dojke, u prvoj obiteljskoj liniji imaju poznato oboljenje od raka dojke ili jajnika, imaju ili su lije&#x010D;ene zbog patohistolo&#x0161;ki dokazanog LIN-a, ADH ili DCIS-a, te provedenu radioterapiju u podru&#x010D;ju prsi&#x0161;ta prije 30. godine. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Iako smjernice Nacionalne sveobuhvatne mre&#x017E;e za rak (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>) i ACR-a (<xref ref-type="bibr" rid="r61"><italic>61</italic></xref>) ne preporu&#x010D;uju radiolo&#x0161;ke pretrage prije 30. godine kod visokorizi&#x010D;nih bolesnica, smatramo kako takve bolesnice imaju koristi od UZV pregleda jednom godi&#x0161;nje, &#x0161;to je sukladno europskim smjernicama iz 2008. godine (1, B). (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Izme&#x0111;u 30. i 40. godine preporu&#x010D;ljivo je u&#x010D;initi i MR dojki jednom godi&#x0161;nje, a ako je mogu&#x0107;e u razmaku od &#x0161;est mjeseci od UZV-a zbog intervalnog karcinoma dojke (1, B). (<xref ref-type="bibr" rid="r56"><italic>56</italic></xref>, <xref ref-type="bibr" rid="r62"><italic>62</italic></xref>) Nakon 40. godine bilo bi preporu&#x010D;ljivo raditi mamografiju ili tomosintezu i MR dojki jednom godi&#x0161;nje, po mogu&#x0107;nosti tako&#x0111;er u razmaku od &#x0161;est mjeseci zbog intervalnog karcinoma (1, B). Kod mamografski prisutnog gustoga &#x017E;ljezdanog tkiva, tipa C i D prema ACR klasifikaciji, od koristi je u&#x010D;initi komplementarni ru&#x010D;ni UZV ili ABUS (1, B). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>, <xref ref-type="bibr" rid="r56"><italic>56</italic></xref>, <xref ref-type="bibr" rid="r58"><italic>58</italic></xref>, <xref ref-type="bibr" rid="r61"><italic>61</italic></xref>, <xref ref-type="bibr" rid="r62"><italic>62</italic></xref>)</p>
</sec>
<sec sec-type="other10">
<title>Bolesnice pove&#x0107;anog rizika za razvoj karcinoma dojke</title>
<list id="L12" list-type="bullet"><list-item><p>&#x2265;20% rizika za karcinom dojke u tijeku &#x017E;ivota prema Gailovom modelu</p></list-item>
<list-item><p>karcinom dojke u prvoj obiteljskoj liniji (majka, sestra, k&#x0107;i)</p></list-item>
<list-item><p>bolesnice s poznatom genetskom predispozicijom (mutacije BRCA 1 i 2, mutacije drugih onkogena kod genomske analize)</p></list-item>
<list-item><p>pozitivna osobna anamneza na ADH ili LIN</p></list-item>
<list-item><p>zra&#x010D;enje podru&#x010D;ja prsi&#x0161;ta prije 30. godine &#x017E;ivota</p>
<list id="L13" list-type="bullet"><list-item><p>UZV dojki jednom godi&#x0161;nje do 30. godine &#x017E;ivota</p></list-item>
<list-item><p>nakon 30. godine &#x017E;ivota MR dojki i UZV dojki jednom godi&#x0161;nje (svakih &#x0161;est mjeseci naizmjeni&#x010D;no)</p></list-item>
<list-item><p>nakon 40. godine &#x017E;ivota mamografija (s tomosintezom) i MR dojki jednom godi&#x0161;nje (svakih &#x0161;est mjeseci naizmjeni&#x010D;no)</p></list-item></list>
</list-item><list-item><p>ACR gusto&#x0107;a C i D &#x2192; UZV dojki ili ABUS (ovisno o dostupnosti) kao nadopuna mamografije</p></list-item></list>
</sec>
<sec sec-type="other11">
<title>Radiolo&#x0161;ko pra&#x0107;enje nakon operacije karcinoma dojke</title>
<p>Nakon preboljenog i operiranoga invazivnog karcinoma dojke bolesnice zahtijevaju daljnje pra&#x0107;enje ovisno o vrsti operacije i procjeni rizika za lokoregionalni povrat bolesti i rizika za drugi (novonastali) primarni karcinom dojke. Bolesnice koje imaju bilateralnu mastektomiju s rekonstrukcijom ili bez rekonstrukcije zahtijevaju klini&#x010D;ki pregled svakih 6 &#x2013; 12 mjeseci, a prema svim zna&#x010D;ajnijim smjernicama ne zahtijevaju rutinske radiolo&#x0161;ke pretrage. UZV ili MR prednje torakalne stijenke mogu&#x0107;e je u&#x010D;initi u slu&#x010D;aju pojave lokalnih simptoma i sumnje na recidiv (1, B). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>, <xref ref-type="bibr" rid="r63"><italic>63</italic></xref>)</p>
<p>Bolesnice sa zdravom drugom dojkom ili nakon segmentektomije koje su starije od 35 godina zahtijevaju redovne godi&#x0161;nje mamografije, a u slu&#x010D;aju gustoga &#x017E;ljezdanog tkiva ili preboljelog lobularnoga invazivnog karcinoma i komplementarni UZV dojki (1, A). Za mla&#x0111;e od 35 godina mogu&#x0107;e je uz UZV dojki jednom godi&#x0161;nje umjesto mamografije uvesti godi&#x0161;nji MR dojki, iako ne postoje jasni dokazi o koristi u smislu boljega dugoro&#x010D;nog pre&#x017E;ivljenja bez povrata bolesti ili smrtnosti (2, B). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>, <xref ref-type="bibr" rid="r61"><italic>61</italic></xref>, <xref ref-type="bibr" rid="r63"><italic>63</italic></xref>)</p>
<p>MR je indiciran u procjeni rezidue karcinoma u slu&#x010D;aju pozitivnih rubova kirur&#x0161;kog isje&#x010D;ka ili klini&#x010D;ke sumnje na postojanje ostatnog tumora nakon po&#x0161;tednoga operativnog zahvata. Zbog nakupljanja kontrastnog sredstva u o&#x017E;iljnom tkivu u ranoj postoperativnoj fazi i nemogu&#x0107;nosti razlikovanja o&#x017E;iljka od rezidue tumorskog procesa, MR bi trebalo u&#x010D;initi najranije mjesec dana nakon operativnog zahvata. (<xref ref-type="bibr" rid="r64"><italic>64</italic></xref>) MR je indiciran ukoliko postoji sumnja na postojanje recidiva tumorskog procesa otkrivenog klini&#x010D;kim pregledom, mamografijom ili UZV-om jer ima visoku negativnu vrijednost i MR-om se mo&#x017E;e izbje&#x0107;i nepotrebna biopsija. (<xref ref-type="bibr" rid="r65"><italic>65</italic></xref>, <xref ref-type="bibr" rid="r66"><italic>66</italic></xref>) Godi&#x0161;nji MR pregled dojki mo&#x017E;e se provoditi u probiru bolesnica koje su mla&#x0111;e od 50 godina ili imaju gusto &#x017E;ljezdano tkivo, odnosno kod bolesnica sa &#x017E;ivotnim rizikom razvoja invazivnog karcinoma dojke &gt; 20%. (<xref ref-type="bibr" rid="r67"><italic>67</italic></xref>) Kod bolesnica koje imaju kontraindikaciju za MR mo&#x017E;e se napraviti kontrastna mamografija.</p>
<p>Nakon preboljenoga invazivnog karcinoma dojke kod mu&#x0161;karaca u slu&#x010D;aju ginekomastije trebalo bi raditi mamografiju zdrave dojke jednom godi&#x0161;nje, a UZV pregled kod nejasnih nalaza mamografije ili simptomatskih bolesnika (1, A). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>)</p>
</sec>
<sec sec-type="other12">
<title>Radiolo&#x0161;ko pra&#x0107;enje nakon operacije karcinoma dojke</title>
<list id="L14" list-type="bullet"><list-item><p>kvadrantektomija, segmentektomija, odstranjenje kompletnog tkiva dojke uz o&#x010D;uvanje ko&#x017E;e i bradavice i bolesnice s neoperiranom drugom dojkom</p>
<list id="L15" list-type="bullet"><list-item><p>mamografija (s tomosintezom) i MR dojki jednom godi&#x0161;nje (svakih &#x0161;est mjeseci naizmjeni&#x010D;no)</p>
<list id="L16" list-type="bullet"><list-item><p>ACR gusto&#x0107;a C i D &#x2192; UZV dojki kao nadopuna mamografije</p></list-item></list></list-item></list>
</list-item><list-item><p>odstranjenje kompletnog tkiva dojke uz o&#x010D;uvanje ko&#x017E;e, rekonstrukcija dojke slobodnim re&#x017E;njem</p>
<list id="L17" list-type="bullet"><list-item><p>mamografija (s tomosintezom) i MR dojki jednom godi&#x0161;nje (svakih &#x0161;est mjeseci naizmjeni&#x010D;no)</p></list-item></list>
</list-item><list-item><p>mastektomija</p>
<list id="L18" list-type="bullet"><list-item><p>klini&#x010D;ki pregled &#x2192; ciljani UZV torakalne stijenke</p></list-item></list></list-item></list>
</sec>
<sec sec-type="other13">
<title>Radiolo&#x0161;ko pra&#x0107;enje raka dojke kod mu&#x0161;karaca</title>
<p>Rak dojke rijedak je tumor kod mu&#x0161;karaca; 2017. godine bio je zastupljen u &lt; 1% svih sijela, stoga se kod mu&#x0161;karaca ne preporu&#x010D;uju redovni klini&#x010D;ki niti radiolo&#x0161;ki pregledi. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r68"><italic>68</italic></xref>) Izuzetak su mu&#x0161;karci koji su pozitivni na patogene varijante BRCA te se kod njih preporu&#x010D;uje samopregled i klini&#x010D;ki pregled svakih 12 mjeseci nakon 35. godine &#x017E;ivota. Kod bolesnika s ginekomastijom mogu se raditi godi&#x0161;nje mamografije od 50. godine &#x017E;ivota ili 10 godina prije dobi najranije oboljeloga mu&#x0161;kog &#x010D;lana obitelji (2, B). (<xref ref-type="bibr" rid="r68"><italic>68</italic></xref>) Svi simptomatski mu&#x0161;karci (tvrda i bezbolna kvr&#x017E;ica u podru&#x010D;ju dojke ili pazu&#x0161;ne jame, oticanje dojke, crvenilo i otok ko&#x017E;e, nabiranje ili uvla&#x010D;enje ko&#x017E;e dojke &#x201E;poput kore naran&#x010D;e&#x201C;, spontani iscjedak iz bradavice te promjene bradavice, uvla&#x010D;enje, crvenilo ili stvaranje krasti), neovisno o dobi, zahtijevaju kao i kod &#x017E;ena hitan pregled unutar 10 &#x2013; 14 dana. Preporu&#x010D;uje se u&#x010D;initi ciljani UZV zahva&#x0107;ene dojke i pazu&#x0161;ne jame, a u slu&#x010D;aju ginekomastije i mamografiju (1, A).</p>
</sec>
<sec sec-type="other14">
<title>Invazivna radiologija bolesti dojki</title>
<p>Invazivna radiologija podrazumijeva invazivnu dijagnostiku i intervencijsku radiologiju. Vrste invazivnih zahvata mo&#x017E;emo, prema modalitetu kojim navodimo ure&#x0111;aj (iglu ili sondu) do ciljne tvorbe, podijeliti na: UZV-om navo&#x0111;ene, mamografski navo&#x0111;ene (stereotaksijsko navo&#x0111;enje i navo&#x0111;enje tomosintezom) i navo&#x0111;ene MR-om. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>)</p>
<p>Navo&#x0111;enje UZV-om najpovoljnije je i za radiologa i za bolesnika, najkra&#x0107;e traje i financijski je najpovoljnije. UZV pregled je pregled u stvarnom vremenu i omogu&#x0107;uje da u svakom trenutku imamo kontrolu nad polo&#x017E;ajem igle/sonde. Radiolog je stalno uz bolesnika, &#x0161;to je ohrabruju&#x0107;e za bolesnika i smanjuje mogu&#x0107;nost nuspojava i komplikacija tijekom procedure. Zbog toga svaku ultrazvu&#x010D;no vidljivu tvorbu treba invazivno tretirati pod kontrolom ovog modaliteta. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>) Ukoliko promjena nije vidljiva ultrazvukom, bira se prvi sljede&#x0107;i radiolo&#x0161;ki modalitet pod kojim je vidljiva (mamografija, odnosno MR).</p>
<sec>
<title>Invazivna dijagnostika bolesti dojki</title>
<p>Invazivna dijagnostika ozna&#x010D;ava dijagnosticiranje promjene u dojci va&#x0111;enjem uzorka kroz iglu pod kontrolom radiolo&#x0161;kih modaliteta. To je osnovna tehnika u dijagnostici i lije&#x010D;enju suspektnih tvorbi dojki. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>) Prije invazivne dijagnostike potrebno je u&#x010D;initi potpunu klini&#x010D;ku i slikovnu dijagnostiku.</p>
<p>Prema na&#x010D;inu uzorkovanja razlikujemo sljede&#x0107;e radiolo&#x0161;ke invazivne dijagnosti&#x010D;ke postupke: (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>)</p>
<list id="L19" list-type="simple"><list-item><p>citolo&#x0161;ka punkcija tankom iglom (CP) &#x2013; igla debljine 18 &#x2013; 25 G;</p></list-item>
<list-item><p>biopsija &#x0161;irokom iglom (CNB) &#x2013; igla debljine 14 G; uzima se 3 &#x2013; 6 uzoraka;</p></list-item>
<list-item><p>vakuumom asistirana ili potpomognuta biopsija (VAB) &#x2013; igle debljine 9 &#x2013; 13 G; uzima se dovoljno uzoraka do vidljive evakuacije promjene, naj&#x010D;e&#x0161;&#x0107;e oko 1 ml tkiva, odnosno 6 &#x2013; 12 uzoraka.</p></list-item></list>
<p>UZV-om se naj&#x010D;e&#x0161;&#x0107;e navodi CP i CNB, a mamografski i MR-om naj&#x010D;e&#x0161;&#x0107;e VAB. (<xref ref-type="bibr" rid="r68"><italic>68</italic></xref>) Ve&#x0107;ina tvorbi u dojkama zahtijeva invazivnu dijagnostiku radi uspostavljanja kona&#x010D;ne dijagnoze. Tkivna dijagnostika, CNB i VAB, daleko je preciznija od stani&#x010D;ne, s manje la&#x017E;no negativnih nalaza (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>, <xref ref-type="bibr" rid="r70"><italic>70</italic></xref>), a za odre&#x0111;ivanje algoritma lije&#x010D;enja zna&#x010D;ajnija je od citolo&#x0161;ke analize. Stoga je preporuka da se svaka sumnjiva lezija u dojci analizira tkivnom dijagnostikom, odnosno CNB-om ili VAB-om (1, A). (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>, <xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) Kalcifikati u dojci tako&#x0111;er zahtijevaju tkivnu dijagnostiku te je zbog ve&#x0107;e osjetljivosti preporuka da se analiziraju VAB-om (1, A). Stani&#x010D;no uzorkovanje naj&#x010D;e&#x0161;&#x0107;e je dostatno samo u slu&#x010D;aju suspektnih cisti&#x010D;nih tvorbi dojki gustog sadr&#x017E;aja, kao i za evakuaciju teku&#x0107;ih kolekcija i velikih cisti (1, B). (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) U slu&#x010D;aju kompleksnih cisti preferira se tkivna dijagnostika (1, A). (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>)</p>
<p>Pojedine lezije ne zahtijevaju invazivnu dijagnostiku: uvjerljiva radiolo&#x0161;ka slika fibroadenoma (u &#x017E;ena do 25 godina, eventualno do 30. godine ako su i elastografijom potvr&#x0111;ene benigne karakteristike), masne nekroze, lipoma ili hamartoma i benignog (reaktivno promijenjenog) intramamarnoga limfnog &#x010D;vora (1, A). (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>)</p>
<p>Ukoliko postoji vi&#x0161;e tvorbi, treba pa&#x017E;ljivo odrediti radi li se o tvorbama iste morfolo&#x0161;ke slike. U slu&#x010D;aju multiplih fibroadenoma potrebno je invazivno dijagnosticirati najve&#x0107;u ili radiolo&#x0161;ki najmanje tipi&#x010D;nu tvorbu. Ukoliko se radi o multiplim suspektnim tvorbama potrebno je bioptirati najmanje dvije ovakve tvorbe (1, B). (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>)</p>
<p>Pazu&#x0161;ni limfni &#x010D;vorovi mogu se radi dijagnostike i procjene pro&#x0161;irenosti bolesti punktirati tankom iglom (CP), no tkivna dijagnostika je osjetljivija. (<xref ref-type="bibr" rid="r72"><italic>72</italic></xref>) U slu&#x010D;aju postojanja sumnjivih limfnih &#x010D;vorova preporuka je u&#x010D;initi CNB (iglom debljine 18 G) (1, A).</p>
<p>U invazivnoj dijagnostici promjena u dojci neophodna je usporedba patohistolo&#x0161;kog/citolo&#x0161;kog nalaza s radiolo&#x0161;kom slikom. U slu&#x010D;aju nesuglasja potrebno je ponoviti ili pro&#x0161;iriti tkivnu invazivnu dijagnostiku (s CNB na VAB). U slu&#x010D;aju patohistolo&#x0161;kog nalaza benigne tvorbe treba se odlu&#x010D;iti za kratkoro&#x010D;nu (&#x0161;estomjese&#x010D;nu) radiolo&#x0161;ku kontrolu modalitetom kojim je tvorba najbolje vidljiva dvije godine nakon invazivne dijagnostike (protokol BI-RADS 3).</p>
</sec>
<sec>
<title>Tkivni markeri</title>
<p>Tkivni markeri metalne su oznake koje se naj&#x010D;e&#x0161;&#x0107;e postavljaju zbog obilje&#x017E;avanja mjesta biopsije. Ve&#x0107;inom su na&#x010D;injeni od titana, mogu biti razli&#x010D;itih oblika, u tkivu smiju ostati neograni&#x010D;eno vrijeme. Osobe s ugra&#x0111;enim titanskim markerom mogu i&#x0107;i na snimanje MR-om (marker se pokazuje minimalnim artefaktom gubitka signala). Ukoliko marker stavljamo nakon mamografski navo&#x0111;ene biopsije, potrebno je nakon zahvata napraviti kontrolnu (postbiopsijsku) mamografiju u CC i ML projekciji kako bismo potvrdili polo&#x017E;aj markera na mjestu biopsije, odnosno ako nije, koliko je migrirao. Eventualnu migraciju treba obvezno evidentirati u nalazu biopsije. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>)</p>
<p>Tkivnim markerom trebalo bi se ozna&#x010D;iti svako mjesto biopsije ili eventualno pratiti minimalne indikacije za ozna&#x010D;avanje mjesta biopsije:</p>
<list id="L20" list-type="bullet"><list-item><p>nakon mamografski navo&#x0111;ene biopsije</p>
<list id="L21" list-type="simple"><list-item><p>u slu&#x010D;aju potpune evakuacije lezije odnosno kalcifikata ure&#x0111;ajem za biopsiju;</p></list-item>
<list-item><p>radi razlikovanja razli&#x010D;itih mjesta biopsije (potrebno je postaviti markere razli&#x010D;itih oblika);</p></list-item>
<list-item><p>kod biopsije MR-om otkrivene promjene;</p></list-item></list>
</list-item><list-item><p>nakon UZV-om navo&#x0111;ene biopsije</p>
<list id="L22" list-type="simple"><list-item><p>kod lezija manjih od 5 mm;</p></list-item>
<list-item><p>kod kompleksnih cisti&#x010D;nih lezija;</p></list-item>
<list-item><p>u slu&#x010D;aju neoadjuvantne terapije;</p></list-item>
<list-item><p>radi usporedbe s nalazom mamografije;</p></list-item>
<list-item><p>radi razlikovanja razli&#x010D;itih mjesta biopsije (potrebno je postaviti markere razli&#x010D;itih oblika);</p></list-item>
<list-item><p>nakon vakuumom asistirane biopsije, odnosno evakuacije bioptirane lezije;</p></list-item></list>
</list-item><list-item><p>uvijek nakon biopsije navo&#x0111;ene MR-om.</p></list-item></list>
<p>Tkivni marker se stavlja u limfni &#x010D;vor ukoliko se ciljani limfni &#x010D;vor lokalizira i ciljano odstranjuje nakon neoadjuvantne terapije. (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>)</p>
</sec>
<sec>
<title>Obilje&#x017E;avanje tumora prije kirur&#x0161;kog zahvata (lokalizacija)</title>
<p>Tumori se mogu obilje&#x017E;iti na razli&#x010D;ite na&#x010D;ine prije kirur&#x0161;kog zahvata kako bi kirurg lak&#x0161;e i pouzdanije prona&#x0161;ao tvorbu. Naj&#x010D;e&#x0161;&#x0107;i na&#x010D;ini obilje&#x017E;avanja tumora jesu: (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>)</p>
<list id="L23" list-type="order"><list-item><p>markirnom &#x017E;icom;</p></list-item>
<list-item><p>medicinskim ugljenom/grafitom;</p></list-item>
<list-item><p>ROLL (od engl. <italic>Radio-guided Occult Lesion Localization</italic>)</p>
<list id="L24" list-type="simple"><list-item><p>tehnecijem obilje&#x017E;en albuminski koloid;</p></list-item>
<list-item><p>mo&#x017E;e se obilje&#x017E;iti istovremeno i limfni &#x010D;vor &#x010D;uvar (sentinel) u isto vrijeme, te se onda naziva SNOLL (od engl. <italic>Sentinel Node Occult Lesion Localization</italic>);</p></list-item></list>
</list-item><list-item><p>RSL (od engl. <italic>Radioactive Seed Loc</italic>)</p>
<list id="L25" list-type="simple"><list-item><p>titanski marker ozna&#x010D;en RA I125;</p></list-item></list>
</list-item><list-item><p>MGL/MSL (od engl. <italic>Magnetic Guided/Seed Localization</italic>)</p>
<list id="L26" list-type="simple"><list-item><p>SPIO (od engl. <italic>Super Paramagnetic Iron Oxide</italic>);</p></list-item></list>
</list-item><list-item><p>radiofrekventnim markerom.</p></list-item></list>
<p>Obilje&#x017E;avanje &#x017E;icom najprihva&#x0107;enija je metoda u RH, a manjkavost je &#x0161;to se tvorba mora obilje&#x017E;iti netom prije kirur&#x0161;kog zahvata, a mogu&#x0107;a je i migracija ili pucanje &#x017E;ice tijekom transporta bolesnika do kirur&#x0161;ke sale. Obilje&#x017E;avanje grafitom, SPIO i radiofrekventnim markerom mo&#x017E;e se u&#x010D;initi znatno prije zahvata, jer lokalizacija ostaje prisutna tjednima nakon postavljanja lokalizacijskog markera, &#x0161;to je pogodno ukoliko se kirur&#x0161;ki zahvat ne radi u istoj ustanovi u kojoj se radi lokalizacija. Metode 3 &#x2013; 6 zahtijevaju posebne sonde za pronala&#x017E;enje markera, dok se &#x017E;ica i grafit prate od ko&#x017E;e prema tumoru. Metode 3 i 4 zahtijevaju suradnju s nuklearnom medicinom. (<xref ref-type="bibr" rid="r73"><italic>73</italic></xref>)</p>
<p>Ukoliko je promjena (naj&#x010D;e&#x0161;&#x0107;e nakupina kalcifikata) ve&#x0107;a od 2 cm potrebno je obilje&#x017E;iti rubove promjene postavljanjem vi&#x0161;e (2 &#x2013; 4) lokalizacijskih ure&#x0111;aja &#x2013; ova tehnika zove se uokviravanje (od engl. <italic>bracketing</italic>). (<xref ref-type="bibr" rid="r74"><italic>74</italic></xref>) Ukoliko postoji vi&#x0161;e sumnjivih lezija svaku je potrebno obilje&#x017E;iti lokalizacijskim ure&#x0111;ajem koje &#x0107;e kirurg me&#x0111;usobno razlikovati.</p>
</sec>
<sec>
<title>Intervencijska radiologija bolesti dojki</title>
<p>Intervencijska radiologija ozna&#x010D;ava minimalno invazivne tehnike pod kontrolom radiolo&#x0161;kih modaliteta radi lije&#x010D;enja ili redukcije benignih ili malignih tvorbi. Prednosti u odnosu na kirur&#x0161;ki zahvat jesu sljede&#x0107;e: estetski prihvatljivije, kra&#x0107;a hospitalizacija, manje o&#x017E;iljkavanje i rje&#x0111;e komplikacije. (<xref ref-type="bibr" rid="r75"><italic>75</italic></xref>)</p>
<p>Intervencijski postupci dijele se na:</p>
<list id="L27" list-type="simple"><list-item><p>uklanjanje tumora</p></list-item>
<list-item><p>VAE (vakuumom asistirana ekstrakcija);</p></list-item>
<list-item><p>BLES (od engl. <italic>Breast Lesion Excision System</italic>);</p></list-item>
<list-item><p>redukcija tumora &#x2013; ablacija (nekroza)</p></list-item>
<list-item><p>HIFU (od engl. <italic>High Focused Ultrasound</italic>);</p></list-item>
<list-item><p>krioablacija (zamrzavanje);</p></list-item>
<list-item><p>RFA (radiofrekventna ablacija);</p></list-item>
<list-item><p>MWA (ablacija mikrovalovima; od engl. <italic>microwave ablation</italic>);</p></list-item>
<list-item><p>laserska ablacija.</p></list-item></list>
<p>Uklanjanje tumora intervencijskim radiolo&#x0161;kim postupcima radi se samo u slu&#x010D;aju benignih tvorbi (2, A). Razlozi za uklanjanje benignih promjena na ovaj na&#x010D;in jesu: maligni potencijal (naj&#x010D;e&#x0161;&#x0107;e intraduktalni papilom ili manji filodes tumor), neugodni simptomi (bol), estetski razlozi (deformitet dojke) i nespokoj ili strah bolesnice. (<xref ref-type="bibr" rid="r76"><italic>76</italic></xref>, <xref ref-type="bibr" rid="r77"><italic>77</italic></xref>) Maligne tvorbe reduciraju se naj&#x010D;e&#x0161;&#x0107;e ablacijom. Redukcija veli&#x010D;ine malignog tumora intervencijskim radiolo&#x0161;kim postupkom kao &#x0161;to je ablacija, osim u rijetkim slu&#x010D;ajevima, ne mo&#x017E;e zamijeniti kirur&#x0161;ko uklanjanje malignog tumora. Ima potencijal da kao dodatak neoadjuvantnoj terapiji smanji volumen tumora prije kirur&#x0161;kog zahvata. Prije ablacije potrebno je u&#x010D;initi tkivnu dijagnostiku kako bi se dobio status receptora zbog kasnijeg lije&#x010D;enja (tretirani tumor je nekrotiziran i kasnija analiza nije mogu&#x0107;a). (<xref ref-type="bibr" rid="r75"><italic>75</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other15">
<title>Pra&#x0107;enje u&#x010D;inka neoadjuvantne terapije magnetnom rezonancijom</title>
<p>Jedna od indikacija za pregled dojki MR-om jest pra&#x0107;enje u&#x010D;inka neoadjuvantnog sustavnoga onkolo&#x0161;kog lije&#x010D;enja. (<xref ref-type="bibr" rid="r78"><italic>78</italic></xref>, <xref ref-type="bibr" rid="r79"><italic>79</italic></xref>) Neoadjuvantna terapija podrazumijeva primjenu onkolo&#x0161;ke terapije prije kirur&#x0161;kog zahvata u oboljelih s inicijalno lokalno uznapredovalim, inflamiranim i inoperabilnim rakom dojke, ali i u oboljelih s operabilnim, ali biolo&#x0161;ki agresivnijim podtipovima raka dojke dimenzija ve&#x0107;ih od 2 cm i kod verificiranih metastatski zahva&#x0107;enih limfnih &#x010D;vorova u pazuhu neovisno o veli&#x010D;ini primarnog tumora u dojci (1, A). (<xref ref-type="bibr" rid="r80"><italic>80</italic></xref>&#x2013;<xref ref-type="bibr" rid="r83"><italic>83</italic></xref>) Ciljevi i prednosti neoadjuvantnog lije&#x010D;enja jesu: prevo&#x0111;enje inoperabilne bolesti u operabilnu, kod operabilnih tumora pove&#x0107;anje broja po&#x0161;tednih operativnih zahvata dojke te direktno pra&#x0107;enje u&#x010D;inka sustavne onkolo&#x0161;ke terapije, pri &#x010D;emu je odgovor na neoadjuvantno lije&#x010D;enje surogat ishoda lije&#x010D;enja i bolesti. (<xref ref-type="bibr" rid="r84"><italic>84</italic></xref>&#x2013;<xref ref-type="bibr" rid="r88"><italic>88</italic></xref>)</p>
<p>U procjeni odgovora na neoadjuvantno lije&#x010D;enje i odre&#x0111;ivanju veli&#x010D;ine rezidualnog tumora u dojci i pazuhu, izme&#x0111;u fizikalnog pregleda, mamografije i UZV-a, MR dojki ima najve&#x0107;u osjetljivost, specifi&#x010D;nost i to&#x010D;nost. (<xref ref-type="bibr" rid="r89"><italic>89</italic></xref>&#x2013;<xref ref-type="bibr" rid="r92"><italic>92</italic></xref>)</p>
<p>Interpretacija nalaza MR dojki tijekom i nakon neoadjuvantne terapije uvelike ovisi o nekoliko &#x010D;imbenika. Jedan od preduvjeta jest uniformirani i standardizirani protokol akvizicije te standardizirani na&#x010D;in izvje&#x0161;tavanja. Kori&#x0161;tenje samo jednog parametra MR-a nije dostatno za procjenu obilje&#x017E;ja invazivnog tumora, stoga je u pra&#x0107;enju u&#x010D;inka neoadjuvantnog lije&#x010D;enja neophodno koristiti mpMR dojki. (<xref ref-type="bibr" rid="r93"><italic>93</italic></xref>) T2 mjerene slike slu&#x017E;e za procjenu tumorskog mikrookoli&#x0161;a i procjenu prisutnosti peritumoralnog edema &#x010D;ija prisutnost predstavlja lo&#x0161; prognosti&#x010D;ki znak. (<xref ref-type="bibr" rid="r79"><italic>79</italic></xref>) Difuzijske mape su sastavni dio protokola MR-a s obzirom na to da prikazuju odgovor na neoadjuvantnu terapiju ranije u toku lije&#x010D;enja, prije negoli se pojave morfolo&#x0161;ke promjene tumora u vidu njegova smanjenja. (<xref ref-type="bibr" rid="r94"><italic>94</italic></xref>, <xref ref-type="bibr" rid="r95"><italic>95</italic></xref>) Karakteristika protokola za procjenu rezidualnog tumora nakon neoadjuvantne terapije jest dinami&#x010D;ka postkontrastna T1 sekvenca u &#x0161;estoj minuti kako bi se omogu&#x0107;ila detekcija rezidualnog DCIS-a, &#x0161;to je presudno u procjeni planiranja opsega kirur&#x0161;kog zahvata. (<xref ref-type="bibr" rid="r96"><italic>96</italic></xref>)</p>
<p>Operativni zahvat bolesnica u kojih je provedena neoadjuvantna terapija trebao bi biti unutar tri tjedna od posljednjeg MR pregleda.</p>
<p>Za procjenu u&#x010D;inka neoadjuvantne terapije na MR-u se koristi: procjena promjene najve&#x0107;eg promjera tumora, postotak smanjenja njegova volumena, obrazac kineti&#x010D;ke krivulje te vrijednosti difuzijskog koeficijenta. Nu&#x017E;no je imati uniformirani na&#x010D;in pisanja nalaza, ujedna&#x010D;ene protokole MR-a i standardizirana mjerenja kako bi se smanjila vjerojatnost gre&#x0161;aka pri odre&#x0111;ivanju u&#x010D;inka lije&#x010D;enja. Maksimalne dimenzije odre&#x0111;uju se u tri smjera (anteroposteriorni, laterolateralni i kraniokaudalni promjer; AA, LL i CC), a mjere se odre&#x0111;uju na MIP presjecima dobivene iz druge subtrakcije i pohranjuju se u slikovnom bolni&#x010D;kom sustavu (PACS, od engl. <italic>Picture Archiving and Communication System</italic>) kako bi bile dostupne za komparaciju kod kontrolnih pregleda. Naj&#x010D;e&#x0161;&#x0107;i kriterij koji se koristi u procjeni odgovora na neoadjuvantno lije&#x010D;enje jest kriterij RECIST (od engl. <italic>Response Evaluation Criteria in Solid Tumors</italic>) temeljem kojega se odre&#x0111;uju &#x010D;etiri kategorije odgovora: potpuni odgovor, parcijalni odgovor, stabilna bolest ili progresija bolesti. (<xref ref-type="bibr" rid="r49"><italic>49</italic></xref>) Na internetskim stranicama dostupan je besplatni kalkulator RECIST 1.1. (<ext-link ext-link-type="uri" xlink:href="https://www.radiologytutor.com/index.php/cases/oncol/139-recist">https://www.radiologytutor.com/index.php/cases/oncol/139-recist</ext-link>) koji se mo&#x017E;e koristiti u procjeni odgovora na lije&#x010D;enje uz automatski izra&#x010D;un promjene volumena i kategorije odgovora.</p>
<p>Tako&#x0111;er je va&#x017E;no odrediti na&#x010D;in na koji se tumor mijenja pod utjecajem neoadjuvantne terapije. Najbolji primjer je koncentri&#x010D;no smanjenje tumorskog procesa koji se smatra dobrim odgovorom. Ukoliko dolazi do fragmetacije, radi se o razgradnji tumora u mno&#x0161;tvo manjih areala koji u kona&#x010D;nici zauzimaju jednak ili ve&#x0107;i volumen tkiva dojke koji je zahva&#x0107;en tumorom.</p>
<p>S obzirom na to da &#x0107;e u 30% bolesnica do&#x0107;i do patolo&#x0161;ki potpunog odgovora tumorskog procesa, neophodno je prije po&#x010D;etka lije&#x010D;enja markirati tumorsku tvorbu. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>) Savjetuje se uporaba markera koji se jasno prikazuje na MR-u, mamografiji i UZV-u, a pri tome ne uzrokuje MR artefakte koji bi onemogu&#x0107;ili interpretaciju nalaza. Marker se postavlja u sredi&#x0161;te lezije. Ukoliko se radi o leziji koja nema zna&#x010D;ajke tvorbe ili se radi o multifokalnom ili multicentri&#x010D;nom procesu potrebno je markirati sve patohistolo&#x0161;ki verificirane maligne lezije uz prethodni dogovor na multidisciplinarnom timu za dojke.</p>
</sec>
<sec sec-type="other16">
<title>Radiolo&#x0161;ka obrada bolesnica s klini&#x010D;kim nalazom mastitisa</title>
<p>Mastitis se odnosi na upalu parenhima dojke. Razlikujemo akutni mastitis (puerperalni mastitis i nepuerperalni mastitis), <italic>plasma cell</italic> mastitis (ektazija mlije&#x010D;nog kanala) i granulomatozni mastitis. Klini&#x010D;ki &#x0107;e dojka biti tvrda na palpaciju, crvena i bolna, pri &#x010D;emu mo&#x017E;e biti prisutno i uvla&#x010D;enje bradavice te uve&#x0107;anje limfnih &#x010D;vorova u pazuhu. Mastitis mo&#x017E;e biti pra&#x0107;en febrilitetom, a u laboratorijskim nalazima porastom upalnih parametara.</p>
<p>U obradi bolesnica sa sumnjom na upalu tkiva dojke lije&#x010D;nik obiteljske medicine postavlja dijagnozu mastitisa i daje antibiotsku terapiju. U slu&#x010D;aju perzistiranja simptoma i/ili sumnje na postojanje upalne kolekcije savjetuje se u&#x010D;initi UZV pregled dojki (1, A), a mamografski pregled ovisno o dobi i klini&#x010D;koj slici. (<xref ref-type="bibr" rid="r97"><italic>97</italic></xref>) Kao komplikacija mastitisa mo&#x017E;e se razviti apsces. Preporu&#x010D;ena metoda lije&#x010D;enja jest aspiracija upalne kolekcije pod UZV kontrolom, a aspirirani sadr&#x017E;aj potrebno je poslati na mikrobiolo&#x0161;ku analizu (1, A). UZV kontrola se izvodi svaka dva tjedna ili do nestanka simptoma. Aspiracija se mo&#x017E;e ponavljati vi&#x0161;e puta. Kirur&#x0161;ka incizija i drena&#x017E;a indicirana je u slu&#x010D;ajevima ponavljaju&#x0107;ih apscesa prethodno tretiranih aspiracijom. (<xref ref-type="bibr" rid="r98"><italic>98</italic></xref>)</p>
<p>U &#x017E;ena s klini&#x010D;kom slikom mastitisa izvan laktacije, kako bi se isklju&#x010D;ila maligna bolest preporu&#x010D;uje se u&#x010D;initi mamografiju. Mamografiju treba me&#x0111;utim razmotriti i u dojilja kada se klini&#x010D;ki tijek mastitisa produljuje. Savjetuje se mamografiju odgoditi do zavr&#x0161;etka akutne epizode mastitisa kad god je to mogu&#x0107;e. Zbog bolnosti i neugode za bolesnicu, ni&#x017E;i stupanj kompresije dojke koju &#x017E;ena mo&#x017E;e podnijeti mo&#x017E;e prikriti osnovnu leziju i imati utjecaj na interpretaciju mamograma. MR dojki nije indicirana pretraga i mo&#x017E;e se koristiti kao dijagnosti&#x010D;ka metoda za netipi&#x010D;ne klini&#x010D;ke slike. Primjerice, ako klini&#x010D;ki simptomi ukazuju na inflamatorni karcinom, a ultrazvukom i/ili mamografijom se ne mo&#x017E;e prikazati tumor niti odrediti mjesto biopsije, potrebno je u&#x010D;initi MR dojke (1, B). (<xref ref-type="bibr" rid="r99"><italic>99</italic></xref>)</p>
</sec>
</body>
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