<?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>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852017000100056</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sarcoma sinovial primario del riñón: una presentación inusual]]></article-title>
<article-title xml:lang="en"><![CDATA[Primary synovial sarcoma of the kidney: An unusual presentation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Lomónaco]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Peralta]]></surname>
<given-names><![CDATA[AU María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Zarate]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lambis-Ricardo]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles-Pérez]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario del Caribe Departamento de Diagnóstico ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Cartagena Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario del Caribe Departamento de Urología ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>77</volume>
<numero>1</numero>
<fpage>56</fpage>
<lpage>60</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852017000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852017000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852017000100056&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  el sarcoma sinovial es el cuarto tipo más común de los sarcomas. Suele localizarse en la región paraarticular de las extremidades inferiores y los tendones. Cuando aparece en el riñón es en pacientes de 15-40 años de edad, con un promedio de 38 años. Predomina en el sexo masculino y se manifiesta con una sensación de masa abdominal, hematuria y signos inespecíficos.  CASO CLÍNICO:  paciente femenina de 59 años de edad que acudió a consulta por dolor en la región lumbar derecha, emesis y hematuria, acompañados de una masa palpable, dura e indolora en el cuadrante superior derecho. La tomografía computada reveló que el riñón derecho estaba aumentado de tamaño, con componentes de densidad heterogéneos. Se efectuó nefrectomía renal derecha. El diagnóstico patológico fue de sarcoma sinovial, confirmado por inmunohistoquímica. El desenlace fue fatal debido a un tumor recurrente que afectó la fosa renal derecha.  CONCLUSIONES:  el sarcoma sinovial es una enfermedad rara, con especial predilección por ciertas zonas anatómicas. La localización renal es excepcional y en la bibliografía hay pocos casos reportados. Se comporta de manera agresiva, con poca respuesta al tratamiento lo que origina su gran morbilidad y mortalidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND:  Synovial sarcoma is an infrequent neoplasia and is the fourth most common type of sarcoma. It is often situated in the para-articular region of the lower limbs and tendons. Its renal location is more common in patients 15-40 years of age, with a mean of 38 years. It is predominant in the male sex and manifests as a sensation of abdominal mass, hematuria, and nonspecific signs.  CLINICAL CASE:  A 59-year-old woman sought medical attention for pain in the right lumbar region, plus emesis and hematuria, accompanied by a palpable, hard, painless mass in the right upper quadrant. A computerized tomography scan revealed an enlarged right kidney with dense, heterogeneous components. Right nephrectomy was performed. The pathology report stated synovial sarcoma diagnosis that was confirmed by immunohistochemistry. Finally, the patient died due to a recurrent tumor involving the right renal fossa.  CONCLUSIONS:  Synovial sarcoma is a rare entity with a special predilection for certain anatomic zones. Renal location is exceptional and there are presently few reported cases in the literature. It is an aggressive tumor with a poor treatment response, resulting in a high morbidity and mortality rate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[sinovial]]></kwd>
<kwd lng="es"><![CDATA[sarcoma]]></kwd>
<kwd lng="es"><![CDATA[neoplasia]]></kwd>
<kwd lng="es"><![CDATA[tumor renal]]></kwd>
<kwd lng="en"><![CDATA[Synovial sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Neoplasia]]></kwd>
<kwd lng="en"><![CDATA[Kidney tumor]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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