<?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>1405-0099</journal-id>
<journal-title><![CDATA[Cirujano general]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. gen]]></abbrev-journal-title>
<issn>1405-0099</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Cirugía General A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-00992023000300181</article-id>
<article-id pub-id-type="doi">10.35366/112927</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Melanoma anal: la importancia en su diagnóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Anal melanoma: the importance in its diagnosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarabia-Pérez]]></surname>
<given-names><![CDATA[Yoselin Julisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Barrientos]]></surname>
<given-names><![CDATA[Cheryl Zilahy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Heredia-Montaño]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Salazar]]></surname>
<given-names><![CDATA[Jorge Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sosa-Sánchez]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario de Puebla  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Universitario Puebla  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<volume>45</volume>
<numero>3</numero>
<fpage>181</fpage>
<lpage>184</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992023000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992023000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992023000300181&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El melanoma anal constituye menos de 1% de tumores malignos colorrectales, en la gran mayoría con un diagnóstico tardío debido a su presentación sin síntomas clínicos específicos, lo que conlleva pobres resultados terapéuticos y consecuente disminución en la tasa de supervivencia. Se presenta el caso de un paciente femenino sin antecedentes de importancia, cuyo síntoma principal fue presencia de masa anal dolorosa y rectorragia, se realiza colonoscopia con reporte histopatológico de melanoma anal, por lo que es intervenida quirúrgicamente mediante resección abdominoperineal por vía laparoscópica. La importancia de esta neoplasia radica en que representa un gran reto diagnóstico y terapéutico para el cirujano, siendo fundamental una adecuada historia clínica y exhaustiva exploración física.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Anal melanoma constitutes less than 1% of colorectal malignancies, in the majority with a late diagnosis due to its presentation without specific clinical symptoms, which leads to poor therapeutic results and a consequent decrease in the survival rate. A case of a female patient with no chronic disease is presented, whose main symptom was the presence of a painful anal mass and rectal bleeding. A colonoscopy was performed with histopathological report of anal melanoma, for which she underwent surgery by laparoscopic abdominoperineal resection. The importance of this neoplasm lies in the fact that it represents a diagnostic and therapeutic challenge for the surgeon, being essential an adequate clinical history and exhaustive physical examination.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[canal anal]]></kwd>
<kwd lng="es"><![CDATA[melanoma]]></kwd>
<kwd lng="es"><![CDATA[neoplasias del ano]]></kwd>
<kwd lng="es"><![CDATA[recto]]></kwd>
<kwd lng="es"><![CDATA[hemorragia]]></kwd>
<kwd lng="es"><![CDATA[cirugía colorrectal]]></kwd>
<kwd lng="en"><![CDATA[anal canal]]></kwd>
<kwd lng="en"><![CDATA[melanoma]]></kwd>
<kwd lng="en"><![CDATA[anus neoplasms]]></kwd>
<kwd lng="en"><![CDATA[rectum]]></kwd>
<kwd lng="en"><![CDATA[hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[colorectal surgery]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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