<?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>2565-005X</journal-id>
<journal-title><![CDATA[Gaceta mexicana de oncología]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. mex. oncol.]]></abbrev-journal-title>
<issn>2565-005X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oncología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2565-005X2022000500021</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.22000115</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Metástasis en la mama de carcinoma renal. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Breast metastasis of a renal carcinoma. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paredes-Barzola]]></surname>
<given-names><![CDATA[Cinthya M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas-Manrique]]></surname>
<given-names><![CDATA[Carmen A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Valladares]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Ecuatoriano de Seguridad Social Hospital Teodoro Maldonado Carbo Unidad Técnica de Oncología]]></institution>
<addr-line><![CDATA[Guayaquil ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>21</volume>
<fpage>21</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2022000500021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2022000500021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2022000500021&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El carcinoma de células renales (CCR) se disemina a pulmones, hígado y huesos. La metástasis de CCR en la mama es un evento raro.  Caso: Mujer de 50 años con antecedente de nefrectomía no oncológica hace 11 años por carcinoma renal de células claras que comprometía cápsula y pelvis renal. Tratada con inhibidores de la tirosina cinasa (ITK), suspendiéndolos por poca tolerancia. En 2017 progresó a etapa IV, reiniciando ITK. Tras 18 meses refirió nodulación mamaria derecha. La inmunohistoquímica de la biopsia concluyó metástasis de primario renal.  Conclusión: Aunque infrecuente, una lesión aislada en la mama puede deberse a un secundarismo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Renal cell carcinoma (RCC) spreads to the lungs, liver, and bones. Metastasis of CRC in the breast is a rare event.  Case report: 50-year-old female patient with a history of non-oncological nephrectomy 11 years ago due to a clear cell variety renal cell carcinoma involving the renal capsule and pelvis. She was treated with tyrosinkinase inhibitors (TKIs) with low tolerance so she stopped. In 2017 progressed to stage IV, so restarted ITK. After 18 months the patient reported a nodule in the right breast. Biopsy immunohistochemistry concluded primary renal metastasis.  Conclusion: Although infrequent, an isolated lesion in the breast may be due to secondary]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Metástasis]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma de células renales]]></kwd>
<kwd lng="es"><![CDATA[Neoplasias renales]]></kwd>
<kwd lng="es"><![CDATA[Metástasis de neoplasias]]></kwd>
<kwd lng="en"><![CDATA[Metastasis]]></kwd>
<kwd lng="en"><![CDATA[Carcinoma renal cell]]></kwd>
<kwd lng="en"><![CDATA[Kidney neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Neoplasm metastasis]]></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[Matute]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Raigoza]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Bertel]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carcinoma de células claras renales metastásico a mama]]></article-title>
<source><![CDATA[Rev Colomb Cir]]></source>
<year>2018</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>311-7</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[Rosas]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metástasis mamaria solitaria metacrónica a partir de un carcinoma de células renales:a propósito de un caso]]></article-title>
<source><![CDATA[Rev Imagenol]]></source>
<year>2012</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>29-31</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[Fírvida Pérez]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Calvo Pestonit]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez de Paz]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Salgado Fernández]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metástasis mamaria como manifestación inicial de un carcinoma renal]]></article-title>
<source><![CDATA[Arch Esp Urol]]></source>
<year>2005</year>
<volume>58</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-9</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[Bortnik]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Leider-Trejo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ron]]></surname>
<given-names><![CDATA[IG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Breast metastasis from a renal carcinoma]]></article-title>
<source><![CDATA[Isr Med Assoc J]]></source>
<year>2008</year>
<volume>20</volume>
<page-range>736-7</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[McLauglin]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Thiel]]></surname>
<given-names><![CDATA[DD]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Wehle]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Menke]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Solitary breast mass as initial presentation of clinically silent metastatic renal cell carcinoma]]></article-title>
<source><![CDATA[Breast]]></source>
<year>2006</year>
<volume>15</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>427-9</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[Vaughan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dietz]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Moley]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[DeBenedetti]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
<name>
<surname><![CDATA[Aft]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Gillanders]]></surname>
<given-names><![CDATA[WE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metastasis disease to the breast:the Washington University experience]]></article-title>
<source><![CDATA[World J Surg Oncol]]></source>
<year>2007</year>
<volume>5</volume>
<page-range>74</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[Amichetti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Perani]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Boi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metastases to the breast from extramammary malignancies]]></article-title>
<source><![CDATA[Oncology]]></source>
<year>1990</year>
<volume>47</volume>
<page-range>257</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[López Zamudio]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Valenzuela Alpuche]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Osomio Labra]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Fregoso Arteaga]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metástasis en la mama de carcinoma renal. Reporte de caso]]></article-title>
<source><![CDATA[Rev Mex Mastol]]></source>
<year>2017</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-22</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[Yang]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Muttarak]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[LW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nonmammary malignancies of the breast:ultrasound, CT, and MRI]]></article-title>
<source><![CDATA[Semin Ultrasound CT MR]]></source>
<year>2000</year>
<volume>21</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>375-94</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[Wienbeck]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Nemat]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lotz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Surov]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bildgebende Diagnostik bei Brustmetastasen extramammärer Tumoren [Imaging diagnostics of breast metastases from extramammary tumors]]]></article-title>
<source><![CDATA[Der Radiologe]]></source>
<year>2017</year>
<volume>57</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>459-65</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez Fentes]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Blanco Parra]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Toucedo Caamaño]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Lema Grille]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Cimadevila García]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Villar Núñez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carcinoma renal metastásico de localización atípica. Revisión de la literatura]]></article-title>
<source><![CDATA[Actas Urol Esp]]></source>
<year>2005</year>
<volume>29</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>621-30</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wan]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metastases to the breast from extramammary nonhematological malignancies:Case series]]></article-title>
<source><![CDATA[Int J Gen Med]]></source>
<year>2020</year>
<volume>13</volume>
<page-range>1105-14</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leibovich]]></surname>
<given-names><![CDATA[BC]]></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[Frank]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Kwon]]></surname>
<given-names><![CDATA[ED]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prediction of progression after radical nephrectomy for patients with clear cell renal cell carcinoma]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>2003</year>
<volume>97</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1663-71</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salgado Plonski]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Pello]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez Villamil]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Gil Ugarteburu]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Blanco Fernández]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Mosquera Madera]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metástasis de carcinoma de células renales en localizaciones anatómicas raras:hipófisis, tiroides y glándulas mamarias. de nuestra experiencia e informe de tres casos]]></article-title>
<source><![CDATA[Arch Esp Urol]]></source>
<year>2019</year>
<volume>72</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>80-4</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosales Leal]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez Herrera]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz Gorráiz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Honrubia Vílchez]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández Sánchez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez Alonso]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metástasis suprarrenal metacrónica en dos pacientes sometidos a nefrectomía radical por carcinoma primario de células renales]]></article-title>
<source><![CDATA[Arch Esp Urol]]></source>
<year>2006</year>
<volume>59</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>779-84</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
