<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002021000400017</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características epidemiológicas, clínicas, radiológicas y anatomopatológicas de los tumores nasosinusales malignos en pacientes hondureños]]></article-title>
<article-title xml:lang="en"><![CDATA[Epidemiological, clinical, radiological and anatomopathological characteristics of malignant sinonasal tumors in Honduran patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valladares]]></surname>
<given-names><![CDATA[Maria Josee]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carías]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[Vilma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de Honduras Facultad de Ciencias Médicas ]]></institution>
<addr-line><![CDATA[ Tegucigalpa]]></addr-line>
<country>Honduras</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>40</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002021000400017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002021000400017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002021000400017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Los tumores de la cavidad nasal y senos paranasales son neoplasias poco frecuentes. La histopatología y características clínicas son diferentes al resto de las neoplasias de cabeza y cuello.  Objetivo: Caracterizar desde el punto de vista clínico-epidemiológico, radiológico y anatomopatológico a los pacientes mayores de 18 años con tumores nasosinusales malignos atendidos en un hospital hondureño.  Métodos:  Estudio observacional, descriptivo y transversal, mediante una técnica de muestreo no probabilístico por conveniencia se tomó una muestra de 30 pacientes que estaban hospitalizados en sala de otorrinolaringología del Hospital Escuela de la Facultad de Ciencias Médicas, Universidad Nacional Autónoma de Honduras, en el periodo enero del 2017-diciembre del 2019. Los pacientes estudiados habían sido diagnosticados con cáncer de nariz y senos paranasales.  Resultados:  El estudio incluyó 30 pacientes, de los cuales el 47 % eran mayores de 50 años, de sexo femenino un 53 %, amas de casa el 40 % y agricultores el 20 %. Los principales síntomas y signos fueron obstrucción nasal (50 %), rinorrea (30 %) y masa (20 %), con localización principalmente en cavidades nasales (67 %). Las características radiológicas más importantes fueron su vascularidad (43 %) y unilateralidad (33 %), la estirpe histológica que predominó fue el linfoma (30 %).  Conclusiones: Los tumores nasales predominaron en el sexo femenino, siendo la obstrucción nasal, rinorrea y masa sus síntomas y signos principales. El aumento de la vascularidad en la imagen por tomografía computarizada orienta a sospechar malignidad. Se evidenció que el factor económico y el desconocimiento de la enfermedad demoró la asistencia del paciente a un centro hospitalario.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Tumors of the nasal cavity and paranasal sinuses are infrequent neoplasms. Their histopathology and clinical characteristics are different from those of other head and neck neoplasms.  Objective: Carry out a clinical-epidemiological, radiological and anatomopathological characterization of patients aged over 18 years with malignant sinonasal tumors attending a Honduran hospital.  Methods:  A cross-sectional observational descriptive study was conducted. Nonprobability convenience sampling technique was applied to select a sample of 30 patients staying at the otolaryngology ward of the Medical Sciences Hospital School at the National Autonomous University of Honduras from January 2017 to December 2019. These patients had been diagnosed with nose and paranasal sinus cancer.  Results:  The study included 30 patients, of whom 47% were aged over 50 years, 53% were female, 40% were housewives and 20% were farmers. The main signs and symptoms were nasal obstruction (50%), rhinorrhea (30%) and mass (20%), with most common location in the nasal cavity (67%). The most important radiological characteristics were their vascularity (43%) and one-sidedness (33%), with lymphoma as the prevailing histological type (30%).  Conclusions: Nasal tumors prevailed in the female sex, with nasal obstruction, rhinorrhea and mass as their main signs and symptoms. Increase in vascularity in computed tomography images leads to suspecting malignancy. Evidence was found that the economic factor and poor knowledge about the disease delayed patient attendance to a hospital institution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tumores malignos]]></kwd>
<kwd lng="es"><![CDATA[cavidad nasal]]></kwd>
<kwd lng="es"><![CDATA[senos paranasales]]></kwd>
<kwd lng="es"><![CDATA[obstrucción nasal]]></kwd>
<kwd lng="es"><![CDATA[epistaxis]]></kwd>
<kwd lng="en"><![CDATA[malignant tumors]]></kwd>
<kwd lng="en"><![CDATA[nasal cavity]]></kwd>
<kwd lng="en"><![CDATA[paranasal sinuses]]></kwd>
<kwd lng="en"><![CDATA[nasal obstruction]]></kwd>
<kwd lng="en"><![CDATA[epistaxis]]></kwd>
</kwd-group>
</article-meta>
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