<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1688-1281</journal-id>
<journal-title><![CDATA[Revista Cirugía del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. Urug.]]></abbrev-journal-title>
<issn>1688-1281</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Cirugía del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-12812023000101304</article-id>
<article-id pub-id-type="doi">10.31837/cir.urug/7.1.7</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adenocarcinoma Mucinoso del Canal Anal: caso clínico y cómo evitar el error en su diagnóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Mucinous Adenocarcinoma of the Anal Canal: Clinical Case and how to Avoid Errors in its Diagnosis]]></article-title>
<article-title xml:lang="pt"><![CDATA[Adenocarcinoma mucinoso do canal anal: caso clínico e como evitar erros no seu diagnóstico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trostchansky]]></surname>
<given-names><![CDATA[Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pontillo]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zeoli]]></surname>
<given-names><![CDATA[Mariana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valiñas]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica Quirúrgica "F", Prof. Dr. Roberto Valiñas, Hospital de Cínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica Quirúrgica "F", Prof. Dr. Roberto Valiñas, Hospital de Cínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica Quirúrgica "F", Prof. Dr. Roberto Valiñas, Hospital de Cínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica Quirúrgica "F", Prof. Dr. Roberto Valiñas, Hospital de Cínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica Quirúrgica "F", Prof. Dr. Roberto Valiñas, Hospital de Cínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-12812023000101304&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-12812023000101304&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-12812023000101304&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El manejo del adenocarcinoma de recto se ha visto revolucionado por la cirugía mesorectal y la neoadyuvancia al igual que el cáncer epidermoide de ano con el protocolo de Nigro. Sin embargo, los adenocarcinomas de ano constituyen una patología infrecuente, relacionada con procesos inflamatorios crónicos como las fístulas perianales y cuyo tratamiento genera controversias. El desconocimiento de sus características clínicas e imagenológicas puede generar una confusión diagnóstica principalmente con un absceso perianal. Presentamos el caso clínico de un adenocarcinoma de canal anal en relación a una fístula perianal crónica y una revisión de la literatura actual sobre el tema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The mesorectal surgery and the neoadyuvant treatment have changed the management of rectal adenocarcinoma. The Nigro protocol had the same impact on the squamous cell cancer of the anus. However, the adenocarcinoma of the anus is an infrequent pathology, related to chronic inflammatory processes such as perianal fistulas and its treatment generates controversy. The lack of knowledge about clinical and imaging characteristics of this pathology can lead to diagnostic confusion, mainly with a perianal abscess. We hereby present the clinical case of an anal canal adenocarcinoma in relation to a chronic perianal fistula and a review of the current literature on the subject.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: O manejo do adenocarcinoma retal foi revolucionado pela cirurgia mesorretal e pelo tratamento neoadjuvante, assim como o câncer de células escamosas do ânus com o protocolo Nigro. Entretanto, os adenocarcinomas do ânus são uma patologia pouco frequente, relacionada a processos inflamatórios crônicos como as fístulas perianais e cujo tratamento gera controvérsias. O desconhecimento de suas características clínicas e de imagem pode levar a uma confusão diagnóstica, principalmente com o abscesso perianal. Apresentamos o caso clínico de um adenocarcinoma do canal anal relacionado a uma fístula perianal crônica e uma revisão da literatura atual sobre o assunto.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adenocarcinoma]]></kwd>
<kwd lng="es"><![CDATA[ano]]></kwd>
<kwd lng="es"><![CDATA[fistula]]></kwd>
<kwd lng="es"><![CDATA[resonancia]]></kwd>
<kwd lng="en"><![CDATA[Adenocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[Anus]]></kwd>
<kwd lng="en"><![CDATA[Fistula]]></kwd>
<kwd lng="en"><![CDATA[Resonance]]></kwd>
<kwd lng="pt"><![CDATA[adenocarcinoma]]></kwd>
<kwd lng="pt"><![CDATA[ânus]]></kwd>
<kwd lng="pt"><![CDATA[fístula]]></kwd>
<kwd lng="pt"><![CDATA[ressonância]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ji]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Care-compliant article: a case report of primary adenocarcinoma of the anal glands: Review of literature]]></article-title>
<source><![CDATA[Medicine (Baltimore)]]></source>
<year>2019</year>
<volume>98</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anwar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Welbourn]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sebag-Montefiore]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adenocarcinoma of the anal canal - a systematic review]]></article-title>
<source><![CDATA[Colorectal Dis]]></source>
<year>2013</year>
<volume>15</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1481-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leong]]></surname>
<given-names><![CDATA[FQ]]></given-names>
</name>
<name>
<surname><![CDATA[Chan]]></surname>
<given-names><![CDATA[DKH]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[KK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anal Adenocarcinoma Can Masquerade as Chronic Anal Fistula in Asians]]></article-title>
<source><![CDATA[Ann Coloproctol]]></source>
<year>2019</year>
<volume>35</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>47-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrer Márquez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Velasco Albendea]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
<name>
<surname><![CDATA[Belda Lozano]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Berenguel Ibáñez]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Reina Duarte]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adenocarcinoma del canal anal. Revisión de conjunto (Adenocarcinoma of the anal canal. Narrative review)]]></article-title>
<source><![CDATA[Cir Esp]]></source>
<year>2013</year>
<volume>91</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>281-6</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Imam]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Gold]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Pines]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pelta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Mavor]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Idelevich]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anal canal adenocarcinoma with a late brain metastatic lesion - a case report]]></article-title>
<source><![CDATA[J Coloproctol]]></source>
<year>2019</year>
<volume>39</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sen]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ozdemir]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Turan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Arici]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Yildiz]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Koksal]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epigenetic inactivation of tumor suppressor SFRP2 and point mutation in KRAS proto-oncogene in fistula-associated mucinous type anal adenocarcinoma: report of two cases]]></article-title>
<source><![CDATA[Intern Med]]></source>
<year>2010</year>
<volume>49</volume>
<numero>15</numero>
<issue>15</issue>
<page-range>1637-40</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maldonado Valdivieso]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez Martín]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adenocarcinoma en el seno de fistula perianal en enfermedad de Crohn]]></article-title>
<source><![CDATA[Arch Coloproctol]]></source>
<year>2018</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>18-24</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinics in diagnostic imaging (143). Perianal mucinous adenocarcinoma arising from chronic fistula-in-ano]]></article-title>
<source><![CDATA[Singapore Med J]]></source>
<year>2012</year>
<volume>53</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>843-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ryan]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Willet]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
</person-group>
<source><![CDATA[Treatment of anal cancer.]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schurink]]></surname>
<given-names><![CDATA[NW]]></given-names>
</name>
<name>
<surname><![CDATA[Lambregts]]></surname>
<given-names><![CDATA[DMJ]]></given-names>
</name>
<name>
<surname><![CDATA[Beets-Tan]]></surname>
<given-names><![CDATA[RGH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diffusion-weighted imaging in rectal cancer: current applications and future perspectives]]></article-title>
<source><![CDATA[Br J Radiol]]></source>
<year>2019</year>
<volume>92</volume>
<numero>1096</numero>
<issue>1096</issue>
<page-range>20180655</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="">
<collab>National Comprehensive Cancer Network</collab>
<source><![CDATA[Rectal cancer (version 3.2022)]]></source>
<year>2022</year>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diéguez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resonancia magnética de alta resolución en el cáncer de recto]]></article-title>
<source><![CDATA[Rev argent radiol]]></source>
<year>2010</year>
<volume>74</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>215-25</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
