<?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>S1405-00992019000300208</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Linfoma no Hodgkin gastrointestinal presentándose como abdomen agudo]]></article-title>
<article-title xml:lang="en"><![CDATA[Non-Hodgkin&#8217;s lymphoma gastrointestinal present as acute abdomen]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Ávila]]></surname>
<given-names><![CDATA[Arcenio Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rosas]]></surname>
<given-names><![CDATA[Alan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roldán-Tinoco]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán-Peña]]></surname>
<given-names><![CDATA[Levi Alan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Flores]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos-Badillo]]></surname>
<given-names><![CDATA[Julio Adán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mena-Maldonado]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General &#8220;Dr. Gustavo Baz Prada&#8221;  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General &#8220;Dr. Gustavo Baz Prada&#8221;  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General &#8220;Dr. Gustavo Baz Prada&#8221;  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Regional &#8220;Gral. Ignacio Zaragoza ISSSTE&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital General &#8220;Dr. Gustavo Baz Prada&#8221;  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>3</numero>
<fpage>208</fpage>
<lpage>216</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992019000300208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992019000300208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992019000300208&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El linfoma no Hodgkin es una neoplasia poco común, pero cuando se trata de un linfoma primario, el tracto gastrointestinal es el sitio más comúnmente implicado y una de las presentaciones extranodales más frecuentes. Se han asociado múltiples factores de riesgo; sin embargo, aún se desconoce su etiología. Actualmente existen marcadores histoquímicos que permiten diferenciar los distintos tipos celulares, así como criterios y escalas para distinguir entre linfomas intestinales primarios y secundarios. El diagnóstico definitivo se logra con el estudio histopatológico e inmunohistoquímico de la pieza extraída quirúrgica o endoscópicamente; estudios como la tomografía axial computarizada, o más recientemente la cápsula endoscópica y la enteroscopia con doble balón, han tomado importancia en el diagnóstico y tratamiento de esta entidad, de tal manera que la videoendoscopia y el ultrasonido endoscópico son útiles en el tratamiento de las principales complicaciones como la hemorragia oculta y el uso de la biopsia por aspiración con aguja fina guiada por ultrasonido endoscópico para conseguir un mayor impacto en el diagnóstico. Su presentación como abdomen agudo quirúrgico es poco frecuente y comúnmente denota un estadio avanzado y de mal pronóstico, dependiendo de las estructuras involucradas. El tratamiento depende del estadio en el que se encuentra el paciente, el cual en la mayoría de las veces se presenta en estadios avanzados cuando la sintomatología y las complicaciones son evidentes, abarcando desde resección quirúrgica en estadios tempranos hasta quimioterapia y radioterapia en estadios avanzados. Se presenta el caso de un paciente de 57 años de edad, quien fue intervenido quirúrgicamente por padecer de abdomen agudo secundario a ruptura de linfoma dependiente de intestino delgado, que provocó abdomen agudo de origen hemorrágico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Non-Hodgkin lymphoma is an uncommon cancer, but when it is a primary lymphoma, gastrointestinal tract is the most commonly involved and one of the most common extranodal site of presentation. There have been associated multiple risk factors, however its etiology is still unknown. Nowadays exist histochemical markers to distinguish the different cell types, criteria and scales to differentiate between primary and secondary intestinal lymphomas. The definitive diagnosis is obtainedwith the histopathologic and immunohistochemicalstudy of the extracted surgical piece or endoscopically, somestudies such as computed axial tomography or more recently capsule endoscopy and doublé balloon enteroscopy have taken importance in the diagnosis and treatment of this entity, accordingly, the videoendoscopy and endoscopic ultrasound have been useful to assist major complications, and the endoscopic ultrasound-guided fine needle aspiration has got high impact to diagnosis. Its presentation as acute surgical abdomen is rare and commonly denotes an advanced stage and poor prognosis, depending on the structures involved. Treatment depends on the stage in which the patient is found, whom in the majority of cases occurs in advanced stages, when the symptoms and complications are evident, including since surgical resection at an early stage to chemotherapy and radiotherapy in advanced stages. We report the case of a 57 years old male patient, who underwent surgery after presenting acute abdomen secondary to rupture of small intestine lymphoma that caused intra-abdominal hemorrhage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[linfoma]]></kwd>
<kwd lng="es"><![CDATA[intestino delgado]]></kwd>
<kwd lng="es"><![CDATA[hemorragia]]></kwd>
<kwd lng="es"><![CDATA[abdomen agudo]]></kwd>
<kwd lng="en"><![CDATA[Lymphoma]]></kwd>
<kwd lng="en"><![CDATA[small intestine]]></kwd>
<kwd lng="en"><![CDATA[hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[acute abdomen]]></kwd>
</kwd-group>
</article-meta>
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