<?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>S2007-40852018000200149</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v78i2.1677</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma de conductos colectores de Bellini: recurrencia a mediano plazo]]></article-title>
<article-title xml:lang="en"><![CDATA[Bellini duct carcinoma: Medium-term recurrence]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Álvarez]]></surname>
<given-names><![CDATA[Juan Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Ruiz]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Redding-Ochoa]]></surname>
<given-names><![CDATA[Roberto Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gamboa-Domínguez]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montante-Montes de Oca]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Covarrubias]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Departamento de Urología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Departamento de Patología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>78</volume>
<numero>2</numero>
<fpage>149</fpage>
<lpage>154</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852018000200149&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852018000200149&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852018000200149&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Caso clínico:  Paciente femenina de 77 años de edad, que inició su cuadro clínico con dolor en el flanco izquierdo, de 20 días de evolución, además de dolor óseo. El ultrasonido reportó una masa dependiente del polo superior del riñón izquierdo. La tomografía simple, complementada con resonancia magnética, evidenció una lesión de 5.7 x 7.3 cm, de consistencia sólida, con necrosis central y extensión hacia el seno renal (T2a; GII). El tratamiento consistió en nefrectomía radical laparoscópica izquierda. Se estableció el diagnóstico de carcinoma de conductos colectores de Bellini. El seguimiento a 5 meses mostró un nuevo ganglio latero-aórtico izquierdo de 16 mm. Se realizó escisión de la lesión y linfadenectomía retroperitoneal, que reportó 20 ganglios con hiperplasia linfoide negativa a malignidad. Treinta y nueve meses después de la nefrectomía, la tomografía computada evidenció dos tumores retroperitoneales: uno paraaórtico y otro intercavoaórtico, compatibles con recurrencia de la enfermedad. Se llevó a cabo metastasectomía, que histopatológicamente reportó un tumor sólido, irregular, de color blanco-grisáceo, con áreas extensas de hemorragia en su porción inferior izquierda y focos discretos de necrosis. Hoy día, después de 42 meses de seguimiento, la paciente se mantiene en vigilancia y sin datos de recurrencia.  Conclusiones:  El carcinoma de conductos colectores es una neoplasia excepcional. El caso aquí reportado corresponde al de mayor supervivencia y tiempo de recurrencia descrito en un caso de T2M0 sintomático: 39 meses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Clinical case:  A 77-year-old woman had clinical symptom onset with pain in the left flank of 20-day progression and bone pain. An ultrasound study identified a mass that was dependent on the upper pole of the left kidney. A non-contrast-enhanced tomography scan, complemented with a magnetic resonance study, revealed a solid lesion with central necrosis that extended into the renal sinus (T2a; GII). Treatment was laparoscopic left radical nephrectomy. The diagnosis was Bellini duct carcinoma. A new 16-mm left lateroaortic lymph node was found at the follow-up at 5 months. The lesion was excised, and retroperitoneal lymph node dissection was carried out, producing 20 lymph nodes with lymphoid hyperplasia that were negative for malignancy. Thirty-nine months after the nephrectomy, a computed tomography scan identified a retroperitoneal paraaortic tumor and an intercaval-aortic retroperitoneal tumor, consistent with disease recurrence. Metastasectomy was performed and the histopathologic report described a solid, irregular, greyish-white tumor that had extensive areas with blood in the left lower portion and a moderate amount of necrotic foci. At present, after 42 months of follow-up, the patient is under surveillance and has no signs of recurrence.  Conclusions:  Collecting duct carcinoma is a rare neoplasia. The case reported herein has the longest survival period and recurrence time for symptomatic T2M0 disease: 39 months.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carcinoma de conductos colectores]]></kwd>
<kwd lng="es"><![CDATA[recurrencia]]></kwd>
<kwd lng="es"><![CDATA[supervivencia]]></kwd>
<kwd lng="en"><![CDATA[Collecting duct carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Recurrence]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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