<?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>2307-0420</journal-id>
<journal-title><![CDATA[Cirugía paraguaya]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. parag.]]></abbrev-journal-title>
<issn>2307-0420</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2307-04202021000200043</article-id>
<article-id pub-id-type="doi">10.18004/sopaci.2021.agosto.43</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Liposarcoma intraabdominal como causa de oclusión intestinal. A propósito de un caso clínico.]]></article-title>
<article-title xml:lang="en"><![CDATA[Intraabdominal liposarcoma as a cause of intestinal oclusion. Purpose of a clinical case.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera]]></surname>
<given-names><![CDATA[Panambi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Militar Central de las Fuerzas Armadas Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>45</volume>
<numero>2</numero>
<fpage>43</fpage>
<lpage>44</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2307-04202021000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2307-04202021000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2307-04202021000200043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En Paraguay los tumores de tejidos blandos representan menos del 2% junto con otros tumores; de ellos los sarcomas son poco frecuentes, con predilección en adultos mayores a partir de los 50 años, nacen a expensas del tejido graso localizado en el TCS, específicamente a partir de la grasa perirrenal. Se manifiestan como una masa asintomática de crecimiento lento. Se presenta el caso de un varón de 70 años con clínica de abdomen agudo oclusivo que requiere una laparotomía exploradora de urgencia, hallándose una tumoración retroperitoneal que comprimía el ángulo esplénico de marco colónico. Se adjuntan imágenes del acto quirúrgico y de la pieza operatoria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In Paraguay, soft tissue tumors represent less than 2% together with other tumors; Of these, sarcomas are rare, with a predilection in older adults from 50 years of age, they arise at the expense of the fatty tissue located in the TCS, specifically from the perirenal fat. They manifest as a slowly growing asymptomatic mass. We present the case of a 70-year-old man with symptoms of an acute occlusive abdomen that required an emergency exploratory laparotomy, finding a retroperitoneal tumor that compressed the splenic flexure of the colonic frame. Images of the surgical act and the operative piece are attached.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumores retroperitoneales]]></kwd>
<kwd lng="es"><![CDATA[Liposarcoma intraabdominal]]></kwd>
<kwd lng="es"><![CDATA[Abdomen Agudo oclusivo]]></kwd>
<kwd lng="es"><![CDATA[Tejidos blandos]]></kwd>
<kwd lng="en"><![CDATA[Retroperitoneal tumors]]></kwd>
<kwd lng="en"><![CDATA[Intra-abdominal liposarcoma]]></kwd>
<kwd lng="en"><![CDATA[Acute occlusive abdomen]]></kwd>
<kwd lng="en"><![CDATA[Soft tissues.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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