<?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>S2007-40852018000300176</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v78i3.1929</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Manifestaciones clínicas y resultados oncológicos del cáncer renal en un hospital del norte de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical presentation and oncologic results of kidney cancer at a hospital in Northern Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Uscanga-Yépez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segovia-Sandoval]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrera-Juárez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzalez-Oyervides]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,The American British Cowdray Medical Center  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Estudios Superiores de Monterrey Escuela Nacional de Medicina ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Estudios Superiores de Monterrey Escuela Nacional de Medicina ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Tecnológico de Estudios Superiores de Monterrey Escuela Nacional de Medicina ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>78</volume>
<numero>3</numero>
<fpage>176</fpage>
<lpage>182</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852018000300176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852018000300176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852018000300176&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  OBJETIVO:  Reportar la experiencia del tratamiento quirúrgico de pacientes con carcinoma de células renales y las características histopatológicas de éstas en una institución del norte de México.  MATERIALES Y MÉTODOS: Estudio transversal y descriptivo, efectuado mediante la revisión de los expedientes de pacientes intervenidos de tumor renal. La decisión de realizar nefrectomía radical o parcial se estableció según el puntaje de la nefrometría obtenida por tomografía de abdomen contrastada y el criterio del cirujano. Las comorbilidades evaluadas fueron: hipertensión arterial sistémica, diabetes tipo 2, hematuria macroscópica, dolor en el flanco y aumento del volumen en el hipocondrio. También se registró la tasa de filtración glomerular (TFG) antes de la cirugía y en los primeros 15 días posquirúrgicos. La tasa de filtración glomerular se calculó con la fórmula MDRD (Modification of Diet in Renal Disease). Las variables se analizaron con medidas de tendencia central y la supervivencia con las curvas de Kaplan-Meier.  RESULTADOS: Se registraron 89 casos. El 74% manifestó algún síntoma, principalmente hematuria y dolor en el flanco. Predominó la nefrectomía radical, con una media de tamaño tumoral de 6.7 cm. El 84% de los casos se clasificó en estadios T1b al T4; la supervivencia cáncer específica estimada a 5 años fue de 90% y supervivencia libre de recurrencia de 83%. El tipo de cirugía no influyó estadísticamente en la función renal posoperatoria (p=0.33).  CONCLUSIÓN: Las características histopatológicas, el tratamiento y la supervivencia de pacientes con cáncer renal son similares a las reportadas en otros países.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  OBJECTIVE:  To report our experience with the surgical treatment and histopathologic characteristics of patients with renal cell carcinoma at a hospital in Northern Mexico.  MATERIALS AND METHODS: A descriptive, cross-sectional study was conducted through the review of the case records of patients operated on for kidney tumor. Radical or partial nephrectomy was decided upon, according to the nephrometry score from contrast-enhanced abdominal tomography and the criterion of the surgeon. The comorbidities evaluated were: high blood pressure, type 2 diabetes mellitus, gross hematuria, flank pain, and increased volume in the hypochondrium. Glomerular filtration rate was registered before surgery and 15 days after the procedure and was calculated using the Modification of Diet in Renal Disease (MDRD) formula. Variables were analyzed using measures of central tendency and survival was assessed through the Kaplan-Meier curves.  RESULTS: Eighty-nine cases were registered. Symptoms presented in 74%, the most common of which were hematuria and flank pain. Radical nephrectomy predominated, and the mean pathologic tumor size was 6.7 cm. A total of 84% of the cases had stage T1b to T4 disease. Estimated 5-year cancer-specific survival for all stages was 90% and recurrence-free survival for organ-confined stages was 83.1%. The type of surgery had no statistical influence on postoperative kidney function (p = 0.33).  CONCLUSION: The histopathologic characteristics, treatment, and survival in patients with kidney cancer were similar to those reported in other countries.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cáncer renal]]></kwd>
<kwd lng="es"><![CDATA[nefrectomía]]></kwd>
<kwd lng="es"><![CDATA[pronóstico]]></kwd>
<kwd lng="es"><![CDATA[supervivencia]]></kwd>
<kwd lng="en"><![CDATA[Kidney cancer]]></kwd>
<kwd lng="en"><![CDATA[Nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[Outcome]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
</kwd-group>
</article-meta>
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