<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2020000800090</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20000566</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diagnóstico inesperado en paciente con sospecha de GIST: infiltración gástrica por mieloma múltiple]]></article-title>
<article-title xml:lang="en"><![CDATA[Unexpected diagnosis in a patient with suspected GIST: gastric infiltration due to multiple myeloma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martí-Gelonch]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asensio-Gallego]]></surname>
<given-names><![CDATA[José I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eizaguirre-Letamendia]]></surname>
<given-names><![CDATA[Emma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murgoitio-Lazkano]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arana-Iñiguez]]></surname>
<given-names><![CDATA[Íñigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez-Navascués]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Donostia Sección de Cirugía Esofagogástrica y Obesidad Servicio de Cirugía General y Digestiva]]></institution>
<addr-line><![CDATA[San Sebastián ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>88</volume>
<fpage>90</fpage>
<lpage>93</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2020000800090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2020000800090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2020000800090&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El mieloma múltiple se caracteriza por la proliferación neoplásica medular de células plasmáticas productoras de inmunoglobulina monoclonal. Un porcentaje pequeño de pacientes presenta compromiso extramedular en forma de plasmocitoma, siendo la localización más habitual las vías respiratorias altas. La afectación gastrointestinal es rara y la clínica asociada dependerá de la localización, la extensión y el mecanismo de infiltración. La afectación gástrica en forma de tumoración tiene un aspecto y una sintomatología similares a los de otras lesiones, por lo que es necesario realizar un diagnóstico histológico para un adecuado tratamiento. A continuación se presenta el caso de un mieloma múltiple con afectación gástrica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Multiple myeloma is characterized by medullary neoplastic proliferation of plasma cells producing monoclonal immunoglobulin. A small percentage of patients have extramedullary involvement in form of plasmacytoma, the most common location being the upper respiratory tract. Gastrointestinal involvement is rare and the associated symptoms will depend on the location, extent and mechanism of infiltration. Gastric involvement presents an appearance and symptoms similar to other lesions, so a histological diagnosis is necessary for proper treatment. This article presents the case of multiple myeloma with gastric involvement.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Estómago]]></kwd>
<kwd lng="es"><![CDATA[GIST]]></kwd>
<kwd lng="es"><![CDATA[Hemorragia]]></kwd>
<kwd lng="es"><![CDATA[Mieloma]]></kwd>
<kwd lng="en"><![CDATA[Stomach]]></kwd>
<kwd lng="en"><![CDATA[GIST]]></kwd>
<kwd lng="en"><![CDATA[Hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[Mieloma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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