<?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>0028-3746</journal-id>
<journal-title><![CDATA[Neumología y cirugía de tórax]]></journal-title>
<abbrev-journal-title><![CDATA[Neumol. cir. torax]]></abbrev-journal-title>
<issn>0028-3746</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Neumología y Cirugía de Tórax; Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas; Sociedad Cubana de Neumología; Sociedad Paraguaya de Neumología; Sociedad Boliviana de Neumología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0028-37462020000300171</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Quiste tímico inusual de mediastino posterior en un paciente con neurofibromatosis]]></article-title>
<article-title xml:lang="en"><![CDATA[Unusual thymic cyst of posterior mediastinum in a patient with neurofibromatosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Narciso-Dircio]]></surname>
<given-names><![CDATA[Eric]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valencia-Sánchez]]></surname>
<given-names><![CDATA[Liliana Denisse]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Minero]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>79</volume>
<numero>3</numero>
<fpage>171</fpage>
<lpage>175</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462020000300171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462020000300171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462020000300171&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los tumores del timo son los más frecuentes en el mediastino anterior. Los quistes mediastinales congénitos se presentan de 3 a 6%. Su localización posterior es extremadamente rara y por ende, la clínica que los acompaña; sin embargo, debe considerarse entre los diagnósticos diferenciales, tal como sucede con el caso que se presenta a continuación en una paciente con antecedente de neurofibromatosis en un instituto de referencia. Se trata de una mujer de 53 años de edad con un quiste de mediastino posterior sometida a resección por toracotomía, que en el estudio definitivo por patología se trató de un quiste tímico, con buenos resultados y con seguimiento sin recidiva.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Thymus tumors are the most frequent in the anterior mediastinum. Congenital mediastinal cysts occur 3 to 6%. Their posterior location is extremely rare, and therefore the clinic that accompanies them; however, it should be considered among the differential diagnoses, as is the case in the case presented below in a patient with a history of neurofibromatosis in a reference institute. This is a 53-year-old woman with a posterior mediastinal cyst, undergoing thoracotomy resection, which in the definitive pathology study was a thymic cyst, with good results and with follow-up without recurrence.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Quiste tímico]]></kwd>
<kwd lng="es"><![CDATA[quiste mediastino]]></kwd>
<kwd lng="es"><![CDATA[mediastino posterior]]></kwd>
<kwd lng="es"><![CDATA[quiste neurofibromatosis]]></kwd>
<kwd lng="en"><![CDATA[Thymic cyst]]></kwd>
<kwd lng="en"><![CDATA[mediastinal cyst]]></kwd>
<kwd lng="en"><![CDATA[posterior mediastinum]]></kwd>
<kwd lng="en"><![CDATA[neurofibromatosis cyst]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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