<?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>S2565-005X2021000500017</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.21000023</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hepatocarcinoma y colangiocarcinoma en nódulos separados. Reporte de caso y revisión de literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Hepatocarcinoma and cholangiocarcinoma in separate nodules. Case report and literatura review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Patiño-Calla]]></surname>
<given-names><![CDATA[Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Román-Hernandez]]></surname>
<given-names><![CDATA[Gilbert]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cueller-Alemán]]></surname>
<given-names><![CDATA[Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Goicochea-Arévalo]]></surname>
<given-names><![CDATA[Ronald]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,EsSalud Hospital Nacional Edgardo Rebagliati Martins Departamento de Anatomía Patológica]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,EsSalud Hospital Nacional Edgardo Rebagliati Martins Departamento de Cirugía General]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Científica del Sur Facultad de Medicina Humana ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>20</volume>
<fpage>17</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2021000500017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2021000500017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2021000500017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La incidencia de neoplasias malignas sincrónicas primarias de hígado es extremadamente baja. Reportamos el caso de una paciente de 59 años con antecedente de hepatitis B sin seguimiento, que ingresó a nuestra institución por el hallazgo incidental de dos tumoraciones hepáticas. La paciente fue sometida a segmentectomía hepática VII y VIII, cuya evaluación histopatológica reveló un hepatocarcinoma y un colangiocarcinoma, respectivamente. El antecedente de enfermedad hepática crónica por hepatitis B incrementa el riesgo de desarrollar neoplasias malignas primarias en hígado, por lo tanto, estos pacientes deben ser evaluados periódicamente con estudios de imágenes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The incidence of synchronous primary liver malign neoplasm is extremely low. We report a case of a 59 years old woman with Hepatitis B without surveillance, who was hospitalized for an incidental finding of 2 liver neoplasm. The patient underwent surgery (liver segmentectomy VII and VIII) and the pathology report described primary Hepatocarcinoma and primary Cholangiocarcinoma. The chronic hepatitis B increase the risk of malign primary liver neoplasm; thus, these patients should be regularly evaluated with image studies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Neoplasias hepáticas]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma hepatocelular]]></kwd>
<kwd lng="es"><![CDATA[Colangiocarcinoma]]></kwd>
<kwd lng="es"><![CDATA[Neoplasias primarias múltiples]]></kwd>
<kwd lng="es"><![CDATA[Reporte de caso]]></kwd>
<kwd lng="en"><![CDATA[Liver Neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Hepatocellular Carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Cholangiocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[Synchronous Multiple Primary Neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Case report]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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