<?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>S2011-75822018000400428</article-id>
<article-id pub-id-type="doi">10.30944/20117582.90</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento neoadyuvante con imatinib de un tumor gigante del estroma gastrointestinal rectal]]></article-title>
<article-title xml:lang="en"><![CDATA[Neoadjuvant treatment with imatinib for a giant tumor of the rectal gastrointestinal stroma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Calvo]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellví-Valls]]></surname>
<given-names><![CDATA[Jordi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Viso-Pons]]></surname>
<given-names><![CDATA[Lorenzo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zárate]]></surname>
<given-names><![CDATA[Luis Ortiz-de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Santin]]></surname>
<given-names><![CDATA[Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Petrone]]></surname>
<given-names><![CDATA[Patrizio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Sant Joan Despí Moisès Broggi Consorci Sanitari Integral ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Barcelona  ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,New York Medical College  ]]></institution>
<addr-line><![CDATA[New York ]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>428</fpage>
<lpage>432</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822018000400428&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822018000400428&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822018000400428&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Alrededor de 5 % de los tumores del estroma gastrointestinal (GIST) se localizan en el recto. Cuando se encuen tran localmente avanzados, el tratamiento neoadyuvante con imatinib ha demostrado buenos resultados para reducir el volumen de este tipo de tumores. Se presenta el caso de un paciente con diagnóstico de GIST rectal gigante, al que se le administró neoadyuvancia con imatinib y, posteriormente, se sometió a resección anterior baja con anastomosis coloanal. Es imprescindible que la evaluación y el tratamiento sean multidisciplinarios en los GIST rectales, para tratar de obtener los mejores resultados ante esta entidad tan poco frecuente, poder evitar la comorbilidad asociada y practicar cirugías menos agresivas tras una buena reacción terapéutica al imatinib.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Less than 5% of gastrointestinal stromal tumors (GIST) are located at the rectum. When these tumors are locally advanced, neoadjuvant therapy with imatinib has shown good results, reducing its volume. We present the case of a patient with a giant rectal GIST tumor, who underwent neoadjuvant imatinib therapy, and posterior low anterior resection with coloanal anastomosis. In rectal GIST tumors it is essential the multidisciplinary evaluation and treatment, in order to obtain the best possible results in this rare entity. After a good response to the treatment with imatinib, aggressive surgeries can be avoided, along with the associated morbidity that comes with it.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[neoplasias del recto]]></kwd>
<kwd lng="es"><![CDATA[tumores del estroma gastrointestinal]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico diferencial]]></kwd>
<kwd lng="es"><![CDATA[oncología quirúrgica]]></kwd>
<kwd lng="es"><![CDATA[terapia neoadyuvante]]></kwd>
<kwd lng="es"><![CDATA[mesilato de imatinib]]></kwd>
<kwd lng="en"><![CDATA[rectal neoplasms]]></kwd>
<kwd lng="en"><![CDATA[gastrointestinal stromal tumors]]></kwd>
<kwd lng="en"><![CDATA[diagnosis, differential]]></kwd>
<kwd lng="en"><![CDATA[surgical oncology]]></kwd>
<kwd lng="en"><![CDATA[neoadjuvant therapy]]></kwd>
<kwd lng="en"><![CDATA[imatinib mesylate]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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