<?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>S1405-00992023000400234</article-id>
<article-id pub-id-type="doi">10.35366/115850</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tumor mucinoso del apéndice]]></article-title>
<article-title xml:lang="en"><![CDATA[Mucinous tumor of the appendix]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lizárraga-Castro]]></surname>
<given-names><![CDATA[Jesús Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Picasso]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Garrido]]></surname>
<given-names><![CDATA[Edwin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-García]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Ramírez]]></surname>
<given-names><![CDATA[Pedro Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Alta Especialidad &#8220;Dr. Gustavo A. Rovirosa Pérez&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Alta Especialidad &#8220;Dr. Gustavo A. Rovirosa Pérez&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital de Alta Especialidad &#8220;Dr. Gustavo A. Rovirosa Pérez&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital de Alta Especialidad &#8220;Dr. Gustavo A. Rovirosa Pérez&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>234</fpage>
<lpage>238</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992023000400234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992023000400234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992023000400234&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El tumor mucinoso es un tumor con muy baja incidencia, la cual se reporta en el 0.2% de apendicectomías realizadas. Se presenta caso de una mujer de 44 años de edad que ingresa a urgencias por dolor abdominal en fosa iliaca derecha con sospecha de apendicitis aguda. Se reportan laboratorios con leucocitosis con neutrofilia al 71%; ultrasonido que evidencia masa compleja en fosa iliaca derecha y tomografía simple y contrastada de abdomen que muestra colección sub y retrocecal. Se realiza laparotomía exploradora obteniendo tumor dependiente de tercio medio y distal apendicular. Se realiza resección primaria y se envía pieza a patología. El estudio histopatológico reporta neoplasia mucinosa de apéndice cecal; la inmunohistoquímica señala CKAE1/AE3 negativo, CK20 negativo, CK7 negativo, MUC 5 negativo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The mucinous tumor is a tumor with a very low incidence which is reported in 0.2% of appendectomies performed. We present the case of a 44-year-old female who was admitted to the emergency department due to abdominal pain in the right iliac fossa with suspicion of acute appendicitis, labs were reported with leukocytosis with neutrophilia at 71%, ultrasound reporting a complex mass in the right iliac fossa and tomography simple and contrasted abdomen that reports sub and retrocecal collection. A laparotomy was performed obtaining a tumor dependent on the middle third and distal appendiceal, primary resection was performed and the piece was sent to pathology. A mucinous neoplasm of the cecal appendix and immunohistochemistry were reported by histopathological study with CKAE1/AE3 negative, CK20 negative, CK7 negative, MUC 5 negative.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[apéndice cecal]]></kwd>
<kwd lng="es"><![CDATA[tumor mucinoso]]></kwd>
<kwd lng="es"><![CDATA[apendicetomía]]></kwd>
<kwd lng="es"><![CDATA[tumor de apéndice]]></kwd>
<kwd lng="es"><![CDATA[cirugía]]></kwd>
<kwd lng="en"><![CDATA[cecal appendix]]></kwd>
<kwd lng="en"><![CDATA[mucinous tumor of the appendix]]></kwd>
<kwd lng="en"><![CDATA[appendectomy]]></kwd>
<kwd lng="en"><![CDATA[appendix tumor]]></kwd>
<kwd lng="en"><![CDATA[surgery]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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