<?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>S1870-72032019000300278</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Duplicación de la patela: una anomalía rara en la rodilla]]></article-title>
<article-title xml:lang="en"><![CDATA[Duplication of the patella: a rare anomaly in the knee]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zúñiga Isaacs]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Pérez]]></surname>
<given-names><![CDATA[María de Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Silva]]></surname>
<given-names><![CDATA[Martha Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Mora]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Xingú Ramírez]]></surname>
<given-names><![CDATA[Richard]]></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>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>3</numero>
<fpage>278</fpage>
<lpage>281</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000300278&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000300278&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000300278&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La duplicación de la patela es una patología poco frecuente con menos de 30 casos reportados.  Caso clínico:  Hombre de 30 años, con dolor en el aspecto anterior de la rodilla izquierda con menos de un mes de evolución, sin antecedentes de importancia. Se le realiza resonancia magnética de rodilla que muestra imagen con densidad ósea, bien definida en espacio articular femoropatelar en su porción superior, con cartílago en su cara posterior que sugiere duplicación de la patela.  Conclusiones:  Aunque la duplicación de la patela es una patología muy poco frecuente, su conocimiento, clasificación y correcta caracterización son importantes para su manejo y planeamiento quirúrgico adecuados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  The duplication of the patella is a rare pathology with less than 30 cases reported.  Clinical case:  Male patient, 30 years old, with pain in the anterior aspect of the left knee with less than one month of evolution, without significant antecedents. Magnetic resonance of the knee was performed, showing an image with bone density, well defined in femoropatellar joint space in its upper portion, with cartilage on its posterior side, suggesting duplication of the patella.  Conclusions:  The duplication of the patella is a very rare pathology, its knowledge, its classification and adequate characterization is important for its proper management and surgical planning.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Duplicación de la patela]]></kwd>
<kwd lng="es"><![CDATA[rótula bipartita]]></kwd>
<kwd lng="en"><![CDATA[Duplication of the patella]]></kwd>
<kwd lng="en"><![CDATA[bipartite ball-point]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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