<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822023000300536</article-id>
<article-id pub-id-type="doi">10.30944/20117582.2165</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tumor inflamatorio miofibroblástico gastrointestinal. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Gastrointestinal myofibroblastic inflammatory tumor. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco-Arias]]></surname>
<given-names><![CDATA[Karen Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cadavid-Navas]]></surname>
<given-names><![CDATA[Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correa-Cote]]></surname>
<given-names><![CDATA[Juan Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Múnera-Duque]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canedo]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica Medellín de Occidente  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica Medellín de Occidente  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Clínica Medellín de Occidente  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</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>38</volume>
<numero>3</numero>
<fpage>536</fpage>
<lpage>540</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822023000300536&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822023000300536&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822023000300536&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción.  El tumor miofibroblástico inflamatorio es una enfermedad proliferativa rara, de etiología incierta, caracterizada por la proliferación de miofibroblastos epitelioides o fusionados mezclados con células inflamatorias, predominantemente mononucleares. En general se considera una lesión benigna, aunque en algunos casos esta neoplasia ha mostrado un comportamiento agresivo en cuanto a recidiva local y metástasis. El tratamiento definitivo es la resección quirúrgica completa.  Caso clínico.  Paciente de 67 años con dos meses de evolución de fiebre y masa abdominal, en quien se realizó una tomografía computarizada de abdomen que identificó una lesión de aspecto infiltrativo tumoral, comprometiendo la grasa retroperitoneal en la transcavidad de los epiplones. Por vía percutánea se tomó una biopsia que informó un pseudotumor inflamatorio retroperitoneal. Fue llevado a cirugía radical abdominal, con patología quirúrgica final que describió un tumor miofibroblástico inflamatorio de compromiso multifocal, adherido a la serosa del estómago e intestino delgado, sin compromiso muscular.  Discusión.  El tumor inflamatorio miofibroblástico es una entidad rara, de etiología por esclarecer y difícil diagnóstico. Presentamos el caso clínico de un paciente con tumor inflamatorio miofibroblástico gastrointestinal.  Conclusión.  Se describe el caso clínico de un paciente con un tumor inflamatorio miofibroblástico gastrointestinal, de presentación rara en nuestro medio. Es importante la comparación con casos similares para poder hacer conclusiones útiles en la práctica clínica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction.  Inflammatory myofibroblastic tumor is a rare proliferative disease of uncertain etiology, characterized by the proliferation of epithelioid or fused myofibroblasts mixed with predominantly mononuclear inflammatory cells. In general, it is considered a benign lesion, although in some cases this neoplasm has shown aggressive behavior in terms of local recurrence and metastasis. The definitive treatment is complete surgical resection.  Clinical case.  A 67-year-old patient with a two-month history of fever and an abdominal mass underwent a computed tomography scan of the abdomen that identified an infiltrative tumor, compromising the retroperitoneum fat in the lesser cavity. A biopsy was taken percutaneously, which reported a retroperitoneal inflammatory pseudotumor. He was taken to radical abdominal surgery, with final surgical pathology describing an inflammatory myofibroblastic tumor with multifocal involvement attached to the serosa of the stomach and small intestine without muscle involvement.  Discussion.  Inflammatory myofibroblastic tumor is a rare entity, of unknown etiology and difficult to diagnose. We present a clinical case of gastrointestinal myofibroblastic inflammatory tumor to better understand this entity.  Conclusion.  The clinical case of a patient with a gastrointestinal myofibroblastic inflammatory tumor, a rare presentation in our environment, is described. Comparison with similar cases is important to draw useful conclusions in clinical practice.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[neoplasias gastrointestinales]]></kwd>
<kwd lng="es"><![CDATA[tracto gastrointestinal]]></kwd>
<kwd lng="es"><![CDATA[fibroblastos]]></kwd>
<kwd lng="es"><![CDATA[seudotumor]]></kwd>
<kwd lng="es"><![CDATA[reporte de caso]]></kwd>
<kwd lng="en"><![CDATA[gastrointestinal neoplasms]]></kwd>
<kwd lng="en"><![CDATA[gastrointestinal tract]]></kwd>
<kwd lng="en"><![CDATA[fibroblasts]]></kwd>
<kwd lng="en"><![CDATA[pseudotumor]]></kwd>
<kwd lng="en"><![CDATA[case report]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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