<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032018000300246</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ganglioneuroma como diagnóstico diferencial de tumor retroperitoneal: reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Ganglioneuroma as a differential diagnosis of retroperitoneal tumor: case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González de la Mora]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montes de Oca Orellana]]></surname>
<given-names><![CDATA[Claudio René]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nájera Rodríguez]]></surname>
<given-names><![CDATA[Iván Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cázares Robles]]></surname>
<given-names><![CDATA[Tania Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Soto]]></surname>
<given-names><![CDATA[Óscar Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>16</volume>
<numero>3</numero>
<fpage>246</fpage>
<lpage>248</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032018000300246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032018000300246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032018000300246&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los tumores retroperitoneales conllevan un amplio espectro de patologías como diagnósticos diferenciales. Su detección es tardía por su lento crecimiento, provocando síntomas compresivos al alcanzar grandes dimensiones alrededor de estructuras vasculares, lo que hace su extirpación un reto al evitar lesiones incidentales de órganos adyacentes. Se presenta el caso de una mujer de 57 años con síntomas compresivos secundarios a un tumor retroperitoneal detectado por tomografía, inferior a riñón derecho y adherido a la vena cava inferior. Se intervino para resección total del tumor logrando la preservación exitosa de estructuras vecinas, con reporte histopatológico de ganglioneuroma completamente extirpado e índice de proliferación menor al 1%. Los ganglioneuromas son tumores benignos poco comunes bien diferenciados encontrados generalmente en mediastino posterior y retroperitoneo, que surgen de las células ganglionares simpáticas, representando sólo el 1.6% de los tumores retroperitoneales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The retroperitoneal presence of a tumour represents a wide range of pathologies as differential diagnosis. Its late detection is associated to compressive symptoms once it has reached a major size. They commonly grow among vascular structures, conferring technical difficulties during its surgical approach for resection. Herein the case of a 57 years-old woman with compressive symptoms due to a retroperitoneal tumuor detected by tomography, located under the right kidney and adjacent to the inferior cava vein. She underwent total resection of the tumour with successful preservation of nearby structures, with final pathology report of completely resected ganglioneuroma and less than 1% of cell proliferation. Ganglioneuromas are uncommon well differentiated benign tumours localized in posterior mediastinum and retroperitoneum on most cases, derived from sympathetic ganglionic cells, representing only 1.6% of retroperitoneal tumours.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumor retroperitoneal]]></kwd>
<kwd lng="es"><![CDATA[ganglioneuroma]]></kwd>
<kwd lng="es"><![CDATA[retroperitoneo]]></kwd>
<kwd lng="en"><![CDATA[Retroperitoneal tumor]]></kwd>
<kwd lng="en"><![CDATA[ganglioneuroma]]></kwd>
<kwd lng="en"><![CDATA[retroperitoneum]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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