<?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>S2007-40852018000300215</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v78i3.1808</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma del uraco: reporte de un caso y revisión de la bibliografía]]></article-title>
<article-title xml:lang="en"><![CDATA[Carcinoma of the urachus: A case report and literature review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Téllez]]></surname>
<given-names><![CDATA[Jorge Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ricardez-Espinosa]]></surname>
<given-names><![CDATA[Abel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Uriarte]]></surname>
<given-names><![CDATA[Miguel J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-De la Garza]]></surname>
<given-names><![CDATA[Itzel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-López]]></surname>
<given-names><![CDATA[Luis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Lic. Adolfo Ruiz Cortines ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Lic. Adolfo Ruiz Cortines ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Lic. Adolfo Ruiz Cortines ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Lic. Adolfo Ruiz Cortines ]]></institution>
<addr-line><![CDATA[ Veracruz]]></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>215</fpage>
<lpage>219</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852018000300215&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852018000300215&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852018000300215&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  Los tumores del uraco constituyen menos de 1% de las neoplasias de vejiga y aproximadamente 20 a 35% de los adenocarcinomas vesicales. Hasta la fecha se sabe poco de esta patología; la etiologi&#769;a y patoge&#769;nesis son au&#769;n inciertas y no se han identificado factores de riesgo para padecer estos tumores.  CASO CLÍNICO:  Paciente masculino de 41 años de edad, quien acudió al servicio de Urología por hematuria macroscópica, no formadora de coágulos, asociada con dolor en el hipogastrio. A la exploración física se observó el abdomen con discreto aumento de volumen en el hipogastrio y a la palpación un tumor de aproximadamente 5 cm, dependiente de la cicatriz umbilical, móvil, no doloroso ni fijo en los planos profundos, ligeramente indurado. La tomografía abdominopélvica mostró la vejiga urinaria con engrosamiento de la pared y en la línea media una imagen irregular, heterogénea, de 38 x 27 mm, con múltiples calcificaciones periféricas puntiformes. La cistoscopia evidenció un tumor en la cúpula vesical de aspecto sólido, con zonas de color marrón, diámetro aproximado de 3 cm y bordes irregulares. El tratamiento consistió en cistectomía parcial y resección en bloque del uraco, además de linfadenectomía y omentectomía, con resultados satisfactorios.  CONCLUSIONES:  El carcinoma del uraco es una alteración poco frecuente; la mayor parte de la información proviene de reportes y series de casos. El tratamiento de elección consiste en cistectomía parcial y resección en bloque del uraco, con la que se obtienen buenos resultados, enfermedad libre de progresión y supervivencia de 40 a 60%, según el tipo de procedimiento quirúrgico implementado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND:  Tumors of the urachus make up less than 1% of the bladder neoplasia and approximately 20 to 35% of bladder adenocarcinomas. At present, little is known of the pathology. Etiology and pathogenesis are still uncertain and risk factors for those tumors have not been identified.  CLINICAL CASE:  A 41-year-old man came to the urology service due to gross hematuria with no clot formation, accompanied by pain in the hypogastrium. Physical examination revealed an abdomen with a slightly increased volume in the hypogastrium. A mobile, nonpainful, mildly indurated tumor dependent on the umbilicus, measuring approximately 5 cm and not fixed to the deep planes was palpated. Abdominopelvic tomography identified a urinary bladder with wall thickening and a heterogeneous, irregular image measuring 38 x 27 mm at the midline, with punctiform peripheralcalcifications. Cystoscopy showed a solid tumor in the bladder dome with a diameter of 3 cm, brown areas, and irregular edges. Treatment was partial cystectomy and in bloc resection of the urachus, in addition to lymphadenectomy and omentectomy.  CONCLUSIONS:  Carcinoma of the urachus is a rare alteration and most information on it comes from case reports and case series. The treatment of choice is partial cystectomy and en bloc resection of the urachus, which has provided good results and progressionfree survival rates from 40 to 60%, depending on the type of procedure performed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carcinoma]]></kwd>
<kwd lng="es"><![CDATA[uraco]]></kwd>
<kwd lng="es"><![CDATA[cistectomía]]></kwd>
<kwd lng="en"><![CDATA[Carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Urachus]]></kwd>
<kwd lng="en"><![CDATA[Cystectomy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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