<?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>S2007-40852019000100008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Metástasis atipicas del tumor renal]]></article-title>
<article-title xml:lang="en"><![CDATA[Atypical metastases from a renal tumor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Alcaraz]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beneto-Alducin]]></surname>
<given-names><![CDATA[Begoña]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Jiménez]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional Universitario de Málaga Servicio de Urología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>79</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852019000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852019000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852019000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El objetivo del presente trabajo es presentar tres casos clínicos con presentaciones poco frecuentes de metástasis de carcinoma renal.  Descripción de los casos: El primer caso es una mujer en la que se objetivan metástasis en el tiroides tras una tiroidectomía. El resto del estudio de extensión era negativo y no necesitó de tratamiento adyuvante. El segundo caso es el de una mujer que acudió a urgencias por retención urinaria secundaria a una metástasis uretral de un carcinoma renal, sin metástasis a otros niveles. El tercer caso es de un varón con una recidiva de un carcinoma renal de tipo papilar en la mucosa vesical, asociado a metástasis pulmonares.  Discusión: El 34% de las metástasis en tiroides son de origen renal. La uretra es un sitio poco frecuente de metástasis. En líneas generales, las metástasis renales en vejiga indican mal pronóstico, únicamente existen 56 casos descritos en la literatura. El tratamiento de elección ante lesiones resecables es la extirpación quirúrgica, reservando la terapia antiangiogénica para las que no lo son.  Conclusiones: Las metástasis tiroideas, vesicales y en uretra son sitios poco frecuentes de metástasis de cáncer renal. Suelen indicar fases avanzadas de la enfermedad y su tratamiento, si son resecables, consiste en su extirpación quirúrgica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: The aim of the present work was to present three clinical cases with uncommon presentations of metastatic kidney cancer.  Clinical cases: The first case was that of a woman that presented with metastasis to the thyroid gland after thyroidectomy. The rest of the extension studies were negative, and she did not require adjuvant treatment. The second case was a woman that came to the emergency department due to urinary retention secondary to urethral metastasis from a kidney tumor, with no metastases at other levels. The third case was a man that presented with recurrence of papillary renal cell carcinoma in the bladder mucosa associated with lung metastases.  Discussion: Thirty-four percent of metastases to the thyroid gland have a renal origin. The urethra is an uncommon site for metastasis. In general, bladder metastases from renal carcinoma have a poor prognosis, with only 56 cases described in the literature. The treatment of choice for resectable lesions is surgical extirpation, and anti-angiogenic therapy is reserved for nonresectable lesions.  Conclusions: The thyroid gland, bladder, and urethra are uncommon sites of metastases from kidney cancer. They tend to indicate advanced disease stages and treatment is surgical extirpation in cases of resectable lesions.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Kidney tumor]]></kwd>
<kwd lng="en"><![CDATA[Metastasis]]></kwd>
<kwd lng="en"><![CDATA[Treatment]]></kwd>
<kwd lng="es"><![CDATA[Tumor renal]]></kwd>
<kwd lng="es"><![CDATA[Metástasis]]></kwd>
<kwd lng="es"><![CDATA[Tratamiento]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hock]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Lynch]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Balaji]]></surname>
<given-names><![CDATA[KC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Increasing incidence of all stages of kidney cancer in the last 2 decades in the United States: an analysis of surveillance, epidemiology and end results program data]]></article-title>
<source><![CDATA[J Urol]]></source>
<year>2002</year>
<volume>167</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>57-60</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Blute]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Cheville]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Lohse]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Weaver]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Leibovich]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A multifactorial postoperative surveillance model for patients with surgically treated clear cell renal cell carcinoma]]></article-title>
<source><![CDATA[J Urol]]></source>
<year>2003</year>
<volume>170</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2225-32</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villumsen]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Mevik]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Fjøsne]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
<name>
<surname><![CDATA[Brekke]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
<name>
<surname><![CDATA[Haugen]]></surname>
<given-names><![CDATA[OA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late onset metastases to the thyroid gland from renal carcinoma]]></article-title>
<source><![CDATA[Tidsskr Den Nor Laegeforening Tidsskr Prakt Med Ny Raekke]]></source>
<year>2013</year>
<volume>133</volume>
<numero>21</numero>
<issue>21</issue>
<page-range>2262-5</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medas]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Calò]]></surname>
<given-names><![CDATA[PG]]></given-names>
</name>
<name>
<surname><![CDATA[Lai]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Tuveri]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pisano]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Nicolosi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Renal cell carcinoma metastasis to thyroid tumor: a case report and review of the literature]]></article-title>
<source><![CDATA[J Med Case Reports]]></source>
<year>2013</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>265</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chitale]]></surname>
<given-names><![CDATA[SV]]></given-names>
</name>
<name>
<surname><![CDATA[Burgess]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
<name>
<surname><![CDATA[Sethia]]></surname>
<given-names><![CDATA[KK]]></given-names>
</name>
<name>
<surname><![CDATA[Love]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Roberts]]></surname>
<given-names><![CDATA[PF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of urethral metastasis from colorectal carcinomas]]></article-title>
<source><![CDATA[ANZ J Surg]]></source>
<year>2004</year>
<volume>74</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>925-7</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tefilli]]></surname>
<given-names><![CDATA[MV]]></given-names>
</name>
<name>
<surname><![CDATA[Stefani]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Mariano]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Urethral metastasis of lung carcinoma with germinative cell features]]></article-title>
<source><![CDATA[Int Braz J Urol]]></source>
<year>2003</year>
<volume>29</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>431-3</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senzaki]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Okamura]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Tatsura]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Watase]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Urethral metastasis from renal cell carcinoma]]></article-title>
<source><![CDATA[Int J Urol]]></source>
<year>2003</year>
<volume>10</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>661-3</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gelister]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Falzon]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Crawford]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Chapple]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Hendry]]></surname>
<given-names><![CDATA[WF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Urinary tract metastasis from renal carcinoma]]></article-title>
<source><![CDATA[Br J Urol]]></source>
<year>1992</year>
<volume>69</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>250-2</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Matsumoto]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Hayakawa]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Oya]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bladder metastasis from renal cell carcinoma: retrospective analysis of 65 reported cases]]></article-title>
<source><![CDATA[Clin Exp Metastasis]]></source>
<year>2015</year>
<volume>32</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>135-41</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raviv]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Eggener]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
<name>
<surname><![CDATA[Garnett]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Pins]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term survival after «drop metastases» of renal cell carcinoma to the bladder]]></article-title>
<source><![CDATA[Urology]]></source>
<year>2002</year>
<volume>60</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>697</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
