<?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>S2306-41022016000400176</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incidencia de fracturas patológicas por metástasis en el fémur proximal en un hospital de concentración]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidence of proximal femur pathologic fractures secondary to metastasis in a national reference orthopedic hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo-González]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Lucio]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Breton]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Traumatología "Dr. Victorio de la Fuente Narváez" Servicio de Cirugía de Acetábulo, Cadera y Pelvis ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Traumatología "Dr. Victorio de la Fuente Narváez" Servicio de Cadera y Pelvis de la UMAE ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital de Traumatología "Dr. Victorio de la Fuente Narváez" Servicio de Cirugía de Cadera y Pelvis ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>30</volume>
<numero>4</numero>
<fpage>176</fpage>
<lpage>180</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022016000400176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022016000400176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022016000400176&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Reportar la incidencia de fracturas en terreno patológico secundarias a metástasis que se presentaron en un hospital de referencia nacional en un período de cinco años.  Métodos:  Se registraron los ingresos totales a nuestro centro, así como los pacientes que satisficieran la condición de presentar una fractura de fémur proximal en terreno patológico. Con base en información oficial, se calculó el tamaño de población derechohabiente potencial de acuerdo al área de influencia. Con base en los datos se hizo el cálculo de la incidencia anual y de la densidad de incidencia.  Resultados:  Se identificaron 98 fracturas en 95 individuos. El cálculo de la densidad de incidencia fue de 0.70/100,000 personas durante el período de observación. Se incluyeron 54 sujetos femeninos y 41 masculinos con un promedio de edad de 65.3 años, aunque el rango fue muy variable (de 18 a 90 años). La mayor parte de las personas presentó metástasis por tumores sólidos. De los casos, 29% fue tratado de manera conservadora y el resto requirió tratamiento quirúrgico que incluyó desde osteosíntesis hasta artroplastía protésica. El promedio de estancia hospitalaria fue ligeramente mayor a una semana.  Conclusiones:  La incidencia reportada es relativamente baja. Encontramos una gran variedad de orígenes y localizaciones anatómicas. No se puede, al momento, generalizar tratamientos o predecir supervivencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To report the incidence of pathological fractures secondary to metastasis at a national referral hospital during a 5-year period.  Methods:  Total admissions to our center were recorded, together with the patients who met the requirement of having a proximal femur fracture in a pathological area. The potential number of beneficiaries was estimated based on official figures and the hospital's area of influence. The annual incidence rate and the incidence density were calculated using the latter data.  Results:  98 fractures were identified in 95 patients. The calculated incidence density was 0.70/100,000 population during the observation period. Fifty-four female patients and 41 male patients were included. Mean age was 65.3 years, with a very wide age range (18-90 years). Most patients had metastasis of solid tumors. Twenty-nine percent of patients were treated conservatively and the rest of them required surgery that included from osteosynthesis to prosthetic arthroplasty. The mean length of stay was over one week.  Conclusions:  The reported incidence of this type of fractures is relatively low. We found a wide variety of anatomical origins and locations. As of now, it is not possible to generalize the treatment or predict the survival.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fractura patológica]]></kwd>
<kwd lng="es"><![CDATA[fémur proximal]]></kwd>
<kwd lng="es"><![CDATA[metástasis óseas]]></kwd>
<kwd lng="es"><![CDATA[incidencia]]></kwd>
<kwd lng="en"><![CDATA[Pathologic fracture]]></kwd>
<kwd lng="en"><![CDATA[proximal femur]]></kwd>
<kwd lng="en"><![CDATA[bone metastasis]]></kwd>
<kwd lng="en"><![CDATA[incidence]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Surgical treatment of metastasic fractures of the femur: a retrospective analysis of 142 patients]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sarahrudi]]></surname>
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<source><![CDATA[J Trauma]]></source>
<year>2009</year>
<volume>66</volume>
<numero>4</numero>
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<page-range>1158-63</page-range></nlm-citation>
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