<?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>S2565-005X2022000500012</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.21000056</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Derrame pleural maligno como presentación inicial en un cáncer tiroideo diferenciado. Reporte de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Malignant pleural effusion as initial presentation in a differentiated thyrod cancer. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Covarrubias]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-Tapia]]></surname>
<given-names><![CDATA[Irais P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Becerril-Hernández]]></surname>
<given-names><![CDATA[José D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orea-Estudillo]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de Puebla Eduardo Vázquez N Servicio de Cirugía General Departamento de Cirugía]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla Departamento de Posgrado Facultad de Medicina]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General de Puebla Eduardo Vázquez N Unidad de Oncología Departamento de Cirugía Oncológica]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</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>12</fpage>
<lpage>15</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2022000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2022000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2022000500012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Efectuar el reporte de una presentación poco común.  Caso clínico: Paciente de sexo femenino de 88 años, que ingresó en urgencias con disnea y dolor torácico. Tomografía: derrame pleural derecho, engrosamiento pleural, nodulaciones pulmonares. Biopsia pulmonar, metástasis de carcinoma papilar de tiroides.  Discusión: La metástasis presentan incidencia menor al 10%, sin embargo, conlleva alta mortalidad. El tratamiento del derrame pleural es controvertido por la presentación poco común en cáncer tiroideo diferenciado.  Conclusión: El derrame pleural como síntoma inicial cuenta con reportes anecdóticos en la literatura universal. Un correcto abordaje permitió el diagnóstico orientado a la patología de base.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To make a report of an uncommon presentation.  Clinical case: 88-year-old female, emergency room admission, dyspnea and chest pain; tomography: right pleural effusion, pleural thickening, pulmonary nodulations; Pleural biopsy, metastasis of papillary thyroid carcinoma.  Discussion: Metastasis has an incidence of less than 10%, however, it carries high mortality, the treatment of pleural effusion is controversial due to its unusual presentation in differentiated thyroid cancer.  Conclusion: Pleural effusion as an initial symptom, has anecdotal reports in the universal literature, a correct approach allowed the diagnosis oriented to the underlying pathology.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cáncer tiroideo]]></kwd>
<kwd lng="es"><![CDATA[Derrame pleural]]></kwd>
<kwd lng="es"><![CDATA[Metástasis]]></kwd>
<kwd lng="es"><![CDATA[Papilar]]></kwd>
<kwd lng="en"><![CDATA[Thyroid cancer]]></kwd>
<kwd lng="en"><![CDATA[Pleural effusion]]></kwd>
<kwd lng="en"><![CDATA[Metastasis]]></kwd>
<kwd lng="en"><![CDATA[Papillary]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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