<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022015000600295</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia y características clínico-patológicas del tumor de células gigantes]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence and Clinicopathological Characteristics of Giant Cell Tumors]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Villaseñor]]></surname>
<given-names><![CDATA[EG.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Linares-González]]></surname>
<given-names><![CDATA[LM.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Cedillo]]></surname>
<given-names><![CDATA[EA.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Guzmán]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rico-Martínez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Servicio de Anatomía Patológica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Servicio de Tumores Óseos ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Servicio de Tumores Óseos ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2015</year>
</pub-date>
<volume>29</volume>
<numero>6</numero>
<fpage>295</fpage>
<lpage>298</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022015000600295&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022015000600295&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022015000600295&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La frecuencia del tumor de células gigantes reportada en la literatura es muy variable. Tomando en cuenta que nuestra población presenta características propias, diferentes a las poblaciones anglosajona y asiática, consideramos que tanto la frecuencia como las cualidades clínicas del tumor de células gigantes en nuestro país son distintas. El objetivo principal de este trabajo fue determinar la frecuencia y las características clínico-patológicas del tumor de células gigantes de hueso. Se realizó un estudio transversal y descriptivo de los casos diagnosticados en el servicio como tumor de células gigantes de hueso durante el período comprendido de Enero a Diciembre de 2013. En cada caso seleccionado, se revisó el expediente clínico electrónico, el expediente radiológico, así como también las laminillas. Los tumores de células gigantes comprendieron 17% de los tumores óseos en general y 28% de los tumores óseos benignos. Hubo 13 mujeres y 18 hombres. Los lugares de presentación más frecuentes del tumor de células gigantes fueron: tibia proximal, nueve casos (29%) y fémur distal, seis casos (19%). Cuarenta y cinco por ciento de los tumores de células gigantes se encontraron asociados con quiste óseo aneurismático (14 casos) y un caso (3%) fue maligno. En esta serie, el tumor de células gigantes presentó una frecuencia intermedia; es decir, una frecuencia mayor a la reportada en países anglosajones (con frecuencia baja), aunque sin llegar a ser igual a la de los países asiáticos (frecuencia alta).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The frequency of giant cell tumors reported in the literature is very variable. Considering that our population has its own features, which distinguish it from the Anglo-Saxon and Asian populations, we think that both the frequency and the clinical characteristics of giant cell tumors in our population are different. The major aim of this paper was to determine the frequency and clinicopathological characteristics of giant cell tumors of the bone. A cross-sectional descriptive study was conducted of the cases diagnosed at our service as giant cell tumors of the bone from January to December 2013. The electronic clinical records, radiologic records and histologic slides from each case were reviewed. Giant cell tumors represented 17% of total bone tumors and 28% of benign tumors. Patients included 13 females and 18 males. The most frequent locations of giant cell tumors were: the proximal tibia, 9 cases (29%), and the distal femur, 6 cases (19%). Forty-five percent of giant cell tumors were associated with aneurysmal bone cyst (ABC) (14 cases) and one case (3%) was malignant. The frequency of giant cell tumors in this case series was intermediate, that is, higher than the one reported in Anglo-Saxon countries (usually low), but without reaching the frequency rates reported in Asian countries (high).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumor]]></kwd>
<kwd lng="es"><![CDATA[células gigantes]]></kwd>
<kwd lng="es"><![CDATA[frecuencia]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[Tumor]]></kwd>
<kwd lng="en"><![CDATA[giant cells]]></kwd>
<kwd lng="en"><![CDATA[frequency]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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