<?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>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852017000600481</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v77i6.1642</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resección de un liposarcoma retroperitoneal gigante: a propósito de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Resection of a giant retroperitoneal liposarcoma: A case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Begliardo]]></surname>
<given-names><![CDATA[FL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corpacci]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Obelar-Briones]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bender]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Nuevo Hospital San Roque Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Córdoba ]]></addr-line>
<country>República de Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>77</volume>
<numero>6</numero>
<fpage>481</fpage>
<lpage>485</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852017000600481&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852017000600481&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852017000600481&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  Los liposarcomas son los tumores sarcomatoides de partes blandas más comunes en los adultos. Los sitios más frecuentes de aparición son las extremidades, el retroperitoneo y la región inguinal.  CASO CLÍNICO:  Paciente masculino de 57 años de edad, quien consulta por una masa abdominal, de crecimiento progresivo, de 8 meses de evolución. La tomografía computada objetivó una masa originada a partir del retroperitoneo, que encapsulaba el riñón derecho y desplazaba los órganos abdominales hacia la izquierda. Mediante laparotomía exploradora se logró la exéresis completa del tumor retroperitoneal. El informe anatomopatológico definitivo fue de liposarcoma bien diferenciado, con márgenes quirúrgicos negativos (R0) y tumor de 56 x 35 x 30 cm, de 27 kg.  CONCLUSIÓN:  La resección completa de los liposarcomas representa la única posibilidad de tratamiento radical, lo que sugiere el factor predictivo más importante de recurrencia y supervivencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND:  Liposarcoma is the most common soft tissue sarcoma in adults. Its most frequent presentation sites are the limbs, the retroperitoneum, and the inguinal region.  CLINICAL CASE:  A 57-year-old man sought medical attention for a continually growing abdominal mass of 8-month progression. Computed tomography revealed a mass in the retroperitoneum, encapsulating the right kidney, and displacing the abdominal organs to the left. During exploratory laparotomy, the retroperitoneal tumor was completely excised and the definitive anatomopathologic study stated well differentiated liposarcoma, with negative surgical margins (R0), measuring 56 x 35 x 30 cm and weighing 27 kg.  CONCLUSION:  Currently, the only radical treatment is complete resection and it is the most important predictive factor of recurrence and survival.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[liposarcoma]]></kwd>
<kwd lng="es"><![CDATA[neoplasias retroperitoneales]]></kwd>
<kwd lng="es"><![CDATA[sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Liposarcoma]]></kwd>
<kwd lng="en"><![CDATA[Retroperitoneal neoplasias]]></kwd>
<kwd lng="en"><![CDATA[Sarcoma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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