<?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>2565-005X</journal-id>
<journal-title><![CDATA[Gaceta mexicana de oncología]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. mex. oncol.]]></abbrev-journal-title>
<issn>2565-005X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oncología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2565-005X2021000500045</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.20000130</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma neuroendocrino del apéndice cecal, un hallazgo incidental de una apendicetomía. Reporte de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Neuroendocrine carcinoma of the cecal appendix, an incidental finding of an appendectomy. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carballo-Torres]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima-Pérez]]></surname>
<given-names><![CDATA[Mayte]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soriano-García]]></surname>
<given-names><![CDATA[Jorge L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero-Aguirre]]></surname>
<given-names><![CDATA[Iraida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Álvarez]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Argote]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Hermanos Ameijeiras Servicio de Oncología Clínica ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Buenos Aires Facultad de Ciencias Exactas y Naturales Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>20</volume>
<fpage>45</fpage>
<lpage>50</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2021000500045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2021000500045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2021000500045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los tumores neuroendocrinos se distribuyen en todo el sistema digestivo, el 19% se localizan en apéndice cecal. Se presenta paciente de sexo femenino de 25 años, que luego de una apendicectomía se recibe informe de biopsia que informa carcinoma infiltrante hasta la serosa, moderadamente diferenciado. Se decidió realizar hemicolectomía derecha por tratarse de un tumor que no se registraba su tamaño por anatomía patológica. El seguimiento clínico endoscópico incluso muestra una evolución muy favorable. Resulta importante el estudio histopatológico, dado que incluso en el transoperatorio casi nunca se sospecha esta enfermedad, lo que conduce a un diagnóstico tardío y un peor pronóstico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Neuroendocrine tumors are distributed throughout the digestive system, 19% are located in the cecal appendix. A 25-year-old female patient is presented, who after an appendectomy receives a biopsy report that reports infiltrating carcinoma to the serosa, moderately differentiated. It was decided to perform a right hemicolectomy because it was a tumor that was not registered due to pathological anatomy. Clinical-endoscopic follow-up even shows a very favorable evolution. Histopathological study is important, since even in the intraoperative period this disease is almost never suspected, which leads to late diagnosis and a worse prognosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumor]]></kwd>
<kwd lng="es"><![CDATA[Neuroendocrino]]></kwd>
<kwd lng="es"><![CDATA[Tumor carcinoide]]></kwd>
<kwd lng="es"><![CDATA[Apendicitis aguda]]></kwd>
<kwd lng="en"><![CDATA[Tumor]]></kwd>
<kwd lng="en"><![CDATA[Neuroendocrine]]></kwd>
<kwd lng="en"><![CDATA[Carcinoid tumor]]></kwd>
<kwd lng="en"><![CDATA[Acute appendicitis]]></kwd>
</kwd-group>
</article-meta>
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