<?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>S1405-00992021000300181</article-id>
<article-id pub-id-type="doi">10.35366/108571</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diarrea paradójica como presentación de invaginación de colon transverso por lipoma colónico]]></article-title>
<article-title xml:lang="en"><![CDATA[Paradoxical diarrhea as a presentation of transverse colon intussusception due to colonic lipoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Ruvalcaba]]></surname>
<given-names><![CDATA[Oscar I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Rosales]]></surname>
<given-names><![CDATA[Juan de Dios]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mena-Arias]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-James]]></surname>
<given-names><![CDATA[Carlos R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arenas-Valles]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 35 ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 35 Unidad de Endoscopia Gastrointestinal]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 35 Servicio de Cirugía General y Digestiva]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 6 Servicio de Imagenología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 35 Servicio de Patología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>3</numero>
<fpage>181</fpage>
<lpage>185</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992021000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992021000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992021000300181&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se presenta un paciente femenino de 53 años con dolor abdominal y diarrea, ocasionada por un tumor de colon transverso. En la evaluación tomográfica y endoscópica correspondía a un tumor de bordes definidos y superficie ulcerada. La paciente desarrolló un cuadro clínico de invaginación colónica secundaria al tumor de colon y diarrea paradójica, por lo que la paciente fue sometida a resección laparoscópica del segmento afectado. El análisis histopatológico describe un lipoma submucoso. El binomio del lipoma y la invaginación colónicos es una constante clínica; sin embargo, su escasa frecuencia hace del diagnóstico una tarea difícil.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: We report a 53-years-old female patient who suffered of abdominal pain and diarrhea caused by a colonic tumor in transverse segment. During tomographic and colonoscopic evaluation was discovered a tumor of well-defined edges but an ulcered segment. Clinical setting was result from a colonic intussusception (by tumor), paradoxical diarrhea, and partial resection of transversus colon was performed by laparoscopy. Histopathological examination was consistent with submucous lipoma. The binomial of colonic lipoma and intussusception is a clinical constant; however, its low frequency makes of diagnosis a difficult task.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[lipoma]]></kwd>
<kwd lng="es"><![CDATA[colon]]></kwd>
<kwd lng="es"><![CDATA[intususcepción]]></kwd>
<kwd lng="es"><![CDATA[diarrea]]></kwd>
<kwd lng="es"><![CDATA[adulto]]></kwd>
<kwd lng="en"><![CDATA[lipoma]]></kwd>
<kwd lng="en"><![CDATA[colon]]></kwd>
<kwd lng="en"><![CDATA[intussusception]]></kwd>
<kwd lng="en"><![CDATA[diarrhea]]></kwd>
<kwd lng="en"><![CDATA[adult]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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