<?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>S0028-37462020000300159</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Grandes tumores fibrosos solitarios de la pleura. Presentación de una serie de casos]]></article-title>
<article-title xml:lang="en"><![CDATA[Large fibrous tumors solitaire of pleura. Presentation of a series of cases]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Rodríguez]]></surname>
<given-names><![CDATA[Servio Tulio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Cruz]]></surname>
<given-names><![CDATA[Danilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peñalonzo-Bendfeldt]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital San Vicente  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Guatemala</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Esperanza  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Guatemala</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>159</fpage>
<lpage>163</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462020000300159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462020000300159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462020000300159&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El tumor fibroso solitario es una neoplasia poco frecuente con características particulares. Descrito inicialmente como tumor primario de pleura por Wagner en 1870 ha recibido diversos nombres incluyendo el de hemangiopericitoma. El propósito de nuestro estudio fue determinar el número de tumores fibrosos solitarios operados en nuestras instituciones en los últimos 21 años.  Material y métodos:  Se presenta un estudio de cohorte retrospectivo que incluye la revisión de los expedientes de pacientes con masas pulmonares diagnosticadas como tumores fibrosos solitarios por biopsia o resección quirúrgica entre los años 1996 y 2017.  Resultados:  Se presentan 11 de 1,192 pacientes operados del tórax (0.92%) con diagnóstico anatomopatológico de tumor fibroso. La etiología benigna se confirmó en 10 pacientes y uno de etiología maligna. Todos mostraron un origen pleural, 10 de pleura parietal y uno de pleura visceral. El diámetro promedio de las masas fue de 16.8 cm. En nueve pacientes la resección fue total, se observó reexpansión completa del pulmón y en dos pacientes con masas irresecables únicamente se realizó diagnóstico, uno por aguja tru-cut y otro caso por toracotomía limitada, ambos pacientes fallecieron durante el seguimiento.  Conclusión:  Se presenta una serie de pacientes con tumor fibroso solitario de la pleura, en su mayoría sintomáticos, como reflejo del gran tamaño y las condiciones de práctica en un país en vías de desarrollo con múltiples limitaciones; sin embargo, ilustra la presentación y comportamiento de estos tumores y pone de manifiesto que pese a su tamaño, la posibilidad de una resección completa a título curativo es posible.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Solitary fibrous tumor is a rare neoplasm with particular characteristics. Initially described as a primary tumor of the pleura by Wagner in 1870, it has received various names including the hemangiopericytoma. The purpose of our study was to determine the number of solitary fibrous tumors operated in our institutions in the last 21 years.  Material and methods:  A retrospective cohort study is presented, which includes a review of the files of patients with lung masses diagnosed as solitary fibrous tumors by biopsy or surgical resection between 1996 and 2017.  Results:  Of the 1,192 patients operated on the thorax, 11 (0.92%) were diagnosed with a solitary fibrous tumor. The benign etiology was confirmed in 10 patients and 1 of malignant etiology. All showed a pleural origin, 10 of parietal pleura and 1 of visceral pleura. The average diameter of the masses was 16.8 cm. In 9 patients the resection was complete resulting in complete reexpansion of the lung whereas in two patients the tumor was unresectable. Both patients died during the follow-up.  Conclusion:  We present a series of patients with Solitary fibrous tumor of the pleura, mostly symptomatic, as a reflection of the large size and the conditions of practice in a developing country with multiple limitations; but which illustrates the presentation and behavior of these tumors and shows that despite its size, the possibility of a complete resection on a curative basis is possible.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumor]]></kwd>
<kwd lng="es"><![CDATA[fibroso]]></kwd>
<kwd lng="es"><![CDATA[solitario]]></kwd>
<kwd lng="es"><![CDATA[pleura]]></kwd>
<kwd lng="en"><![CDATA[Tumor]]></kwd>
<kwd lng="en"><![CDATA[fibrous]]></kwd>
<kwd lng="en"><![CDATA[solitary]]></kwd>
<kwd lng="en"><![CDATA[pleura]]></kwd>
</kwd-group>
</article-meta>
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