<?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>S2444-054X2020000300306</article-id>
<article-id pub-id-type="doi">10.24875/ciru.19001325</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Posterior extrapelvic tributaries to the internal iliac veins: Morphometrics, types, and variants]]></article-title>
<article-title xml:lang="es"><![CDATA[Venas extrapélvicas posteriores tributarias de las venas iliacas internas: morfometría, tipos y variantes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sat-Muñoz]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Balderas-Peña]]></surname>
<given-names><![CDATA[Luz María A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortés-Torres]]></surname>
<given-names><![CDATA[Edgar J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Álvarez]]></surname>
<given-names><![CDATA[Rocío G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora-Mora]]></surname>
<given-names><![CDATA[Jesús C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Sánchez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional de Occidente Hospital de Especialidades]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social CMNO Hospital de Especialidades]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social CMNO Hospital de Especialidades]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias de la Salud Departamento de Coordinación de la Licenciatura Médico Cirujano y Partero]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias de la Salud División de Disciplinas Básicas para la Salud]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>88</volume>
<numero>3</numero>
<fpage>306</fpage>
<lpage>313</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2020000300306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2020000300306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2020000300306&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: In the distribution of the veins, it corresponds in the path and by its affluent to their arterial counterpart. For the pelvic surgeon faced with pelvic surgical pathology, the knowledge of the distribution of the venous vessels is especially important in view of novel surgical techniques and current approaches. The majority of the reports are on common iliac vein (CIV) or the inferior vena cava. To the best of our knowledge, there are no papers describing posterior extrapelvic affluents that drain into the internal iliac vein (IIV).  Objective: The aim of this work was to describe the pattern of the constitution of the IIV in 17 dissection specimens taken at our institution.  Materials and methods: We dissected and registered the anatomic variations of the posterior extrapelvic tributaries to the IIVs.  Results: Moreover, we describe the presence of a vein here that is, as far as we know, the first report of a vein that is formed from the posterior extrapelvic veins that drain exactly onto the anterior surface of the CIV. We also describe herein the variants that we have found.  Conclusions: The ignorance of the anatomic variations in the posterior extra-pelvic tributaries to the IIVs (internal iliac veins) can lead to fatal consequences in the patients undergoing pelvic surgery.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: En la descripción de los trayectos venosos, estos corresponden casi exactamente a la distribución de su contraparte arterial, como es el caso de la vena iliaca interna. Para el cirujano que se enfrenta a la patología pélvica, el conocimiento de la distribución de los vasos venosos es de particular importancia. Los reportes que describen los grandes vasos venosos pélvicos se enfocan en las venas iliacas comunes o la vena cava inferior. En nuestro conocimiento, no existen reportes que describan los afluentes venosos posteriores que drenan a la vena iliaca interna ni las distancias que separan los vasos entre sí.  Objetivo: Describir el patrón de constitución de la vena iliaca interna en 17 especímenes cadavéricos disecados en nuestra institución.  Material y métodos: Se identificaron los trayectos vasculares de los afluentes venosos posteriores extrapélvicos de las venas iliacas primitivas.  Resultados: En específico, describimos la presencia de una variante venosa que, hasta donde hemos revisado, es el primer reporte, pues esta vena posterior extrapélvica drena exactamente en la superficie anterior de la vena iliaca común. También describimos otras variantes encontradas.  Conclusiones: Conocer las variantes de los afluentes venosos posteriores extrapélvicos es de vital importancia para el cirujano que realiza cirugía pélvica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pelvic surgery]]></kwd>
<kwd lng="en"><![CDATA[Posterior extrapelvic veins]]></kwd>
<kwd lng="en"><![CDATA[Common iliac vein]]></kwd>
<kwd lng="es"><![CDATA[Cirugía pélvica]]></kwd>
<kwd lng="es"><![CDATA[Venas extrapélvicas posteriores]]></kwd>
<kwd lng="es"><![CDATA[Vena iliaca interna]]></kwd>
</kwd-group>
</article-meta>
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