<?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>S2007-40852018000100067</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v78i1.1541</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma avanzado de conductos colectores. Reporte de tres casos]]></article-title>
<article-title xml:lang="en"><![CDATA[Advanced collecting duct carcinoma in three patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almeida-Magaña]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Davidov]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Priego-Niño]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Canto]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,IMSS Centro Médico Nacional Lic. Manuel Ávila Camacho ]]></institution>
<addr-line><![CDATA[ Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<volume>78</volume>
<numero>1</numero>
<fpage>67</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852018000100067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852018000100067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852018000100067&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  El carcinoma de conductos colectores es una neoplasia de células renales, extremadamente rara, cuya incidencia varía de 0.5 a 3% de los tumores malignos del riñón. Es un tumor agresivo, de crecimiento local, rápidamente invasivo y con evolución a metástasis temprana.  Caso clínico:  Se reportan de tres casos de carcinoma de conductos colectores en etapas avanzadas confirmado mediante estudio histológico. Se revisaron las características clínicas de manera retrospectiva. Todos los pacientes tenían antecedente de tabaquismo, manifestaban síntomas al momento del diagnóstico y se estadificaron en etapa clínica avanzada. Todos los pacientes fueron tratados con nefrectomía radical, fallecieron antes de cumplirse dos meses de la intervención quirúrgica: 2 por complicaciones posquirúrgicas y 1 por evolución temprana de la enfermedad.  Conclusiones:  La nefrectomía citorrreductora puede ser una fuente de morbilidad y mortalidad, se requieren series más amplias para definir la función del tratamiento del carcinoma de conductos colectores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Collecting duct carcinoma is an extremely rare type of renal cell carcinoma and accounts for 0.5 to 3% of malignant kidney cancers. It is an aggressive, rapidly invasive disease that progresses to early metastasis.  Clinical case: Three cases of advanced-stage collecting duct carcinoma confirmed through histologic study are reported herein. The clinical characteristics of the patients were reviewed retrospectively. All the patients had a history of smoking, were symptomatic at the time of diagnosis, and presented with advanced-stage disease. The three patients underwent radical nephrectomy and all died before the end of two postoperative months: 2 of the deaths were due to postoperative complications and 1 from early disease progression.  Conclusions: Cytoreductive nephrectomy may be a source of morbidity and mortality. Larger case series are required to define its role in the treatment of collecting duct carcinoma.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carcinoma de conductos colectores]]></kwd>
<kwd lng="es"><![CDATA[nefrectomía radical]]></kwd>
<kwd lng="es"><![CDATA[cáncer renal]]></kwd>
<kwd lng="es"><![CDATA[complicaciones posoperatorias]]></kwd>
<kwd lng="en"><![CDATA[Collecting duct carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Radical nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[Kidney cancer]]></kwd>
<kwd lng="en"><![CDATA[Postoperative complications]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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