<?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>2301-1254</journal-id>
<journal-title><![CDATA[Anales de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Anfamed]]></abbrev-journal-title>
<issn>2301-1254</issn>
<publisher>
<publisher-name><![CDATA[Universidad de la República. Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2301-12542020000101206</article-id>
<article-id pub-id-type="doi">10.25184/anfamed2020v7n1a5</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia, características endoscópicas y manejo de las lesiones subepiteliales del tracto gastrointestinal superior]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence, Endoscopic Characteristics and Management of Subepitelial Lesions of the Upper Gastrointestinal Tract]]></article-title>
<article-title xml:lang="pt"><![CDATA[Prevalência, características endoscópicas e manejo das lesões subepiteliais do trato gastrointestinal superior]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dorelo]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Taullard]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica de Gastroenterología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Clínica de Gastroenterología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S2301-12542020000101206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S2301-12542020000101206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S2301-12542020000101206&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: Las lesiones subepiteliales (LSE) son hallazgos incidentales en las endoscopias. Algunas tienen potencial maligno.  Objetivos: Valorar la prevalencia, características endoscópicas y manejo diagnóstico/terapéutico de LSE en video-gastroscopias (VGC).  Materiales y métodos: Se incluyeron todas las VGC del periodo enero 2011-junio 2018. Los casos con datos faltantes fueron excluidos. Donde se identificó una LSE se consignó: indicación, edad, sexo, tamaño, ubicación e histología, hallazgos de la ultrasonografía endoscópica (USE), punción-aspiración con aguja fina (PAAF) y resección quirúrgica.  Resultados: Se evidenciaron 54 LSE en 7.983 pacientes (0,7 %). 72 % eran mujeres y la indicación más común fue dispepsia (26 %). La localización más frecuente fue en el estómago (74 %). El tamaño medio fue de 16 mm (5-50 mm) y la mitad fueron menores a 10 mm. Siete presentaban mucosa ulcerada, 4 se ubicaban en el cuerpo gástrico y 86 % eran referidos por hemorragia digestiva/anemia. En 26 casos de 54 (48 %) se realizaron biopsias estándar y en 6 de los 54 (11 %) biopsias sobre biopsias, con rendimiento diagnóstico nulo. En un 11 % de ellos se realizó USE, todas mayores de 10 mm: 2 páncreas ectópicos, una lesión compatible con leiomioma, 2 lesiones de la muscular propia (leiomioma/GIST) y 1 compresión extrínseca. No se realizó ninguna PAAF. Todas las LSE fueron manejadas de forma conservadora.  Conclusiones: Este es el primer estudio nacional sobre prevalencia de LSE del tracto gastrointestinal superior y resultó comparable al de otras series. El rendimiento diagnóstico de la biopsia fue nulo. En la mayoría de los casos las lesiones se manejaron según las recomendaciones de las guías internacionales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction: Subepithelial lesions (SELs) are incidental findings in endoscopy procedures. Most are benign, but some have malignant potential.  Objectives: To evaluate the prevalence, endoscopic characteristics and diagnostic / therapeutic management of SELs in upper GI endoscopy.  Materials and methods: All upper GI endoscopy from January 2011 to June 2018 were included. Cases with missing data were excluded. Indication, age, sex, size, location and histology, findings of endoscopic ultrasound (EUS), fine needle aspiration (FNA) and surgical resection were recorded in patients with SELs.  Results: There were 54 SELs in 7983 patients (0.7 %). 72 % were women, and the most frequent indication was dyspepsia (26 %). The most frequent location was stomach (74 %). The average size was 16 mm (5-50 mm), half were less than 10 mm. Seven had ulcerated mucosa, 4 were located in the gastric body and 86 % were referred for digestive hemorrhage/anemia. In 26 of 54 (48 %) standard biopsies and in 6 of 54 (11 %) bite-on-bite biopsy were performed, with no diagnostic yield. In 11 % of the cases EUS was performed, all of them larger than 10 mm: 2 ectopic pancreas, one lesion compatible with leiomyoma, 2 lesions of the muscularis propria (leiomyoma/GIST) and 1 extrinsic compression. No FNA was performed. All SELs were managed conservatively.  Conclusions: This is the first national study of the prevalence of SELs in the upper gastrointestinal tract and was comparable to that of other series. Biopsy diagnostic yield was zero. In most cases, lesions were managed according to international guidelines.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução: lesões subepiteliais (LSE) são achadas incidentais em endoscopias. A maioria são benignas, mas algumas têm potencial maligno.  Objetivos:  Avaliar a prevalência, características endoscópicas e manejo diagnóstico/terapêutico das LSE em vídeo-gastroscopias (VGC).  Materiais e métodos:  Foram incluídos todas VGC do período de janeiro de 2011 a junho de 2018. Foram excluídos os casos com dados ausentes. Quando uma LSE foi identificada, foram indagados: indicação, idade, sexo, tamanho, localização e histologia, achados da ultrassonografia endoscópica (USE), aspiração por agulha fina (PAAF) e ressecção cirúrgica.  Resultados:  54 LSE foram evidenciadas em 7.983 pacientes (0,7 %). 72 % eram mulheres e a indicação mais freqüente foi dispepsia (26 %). A localização mais freqüente foi estômago (74 %). O tamanho médio era de 16 mm (5-50 mm), a metade era menor que 10 mm. Sete tinham mucosa ulcerada, quatro estavam localizadas no corpo gástrico e 86% foram referidos por sangramento/anemia gastrointestinal. Em 26 de 54 (48 %) foram realizadas biópsias padrão e em 6 de 54 (11 %) biópsias sobre biópsias, com um desempenho diagnóstico nulo. Em 11 %, foi realizado uma USE, todas maiores que 10 mm: 2 pâncreas ectópico , uma lesão compatível com leiomioma, 2 lesões musculares (leiomioma/GIST) e 1 compressão extrínseca. Não foi realizada nenhuma PAAF. Todas as LSE foram manejadas de forma conservadora.  Conclusões:  Este é o primeiro estudo nacional de prevalência de LSE no trato gastrointestinal superior e foi comparável ao de outras séries. O rendimento diagnóstico da biópsia foi nulo. Na maioria dos casos, as lesões foram tratadas de acordo com as recomendações das diretrizes internacionais.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[lesiones subepiteliales]]></kwd>
<kwd lng="es"><![CDATA[ultrasonografía endoscópica]]></kwd>
<kwd lng="es"><![CDATA[tracto gastrointestinal superior.]]></kwd>
<kwd lng="en"><![CDATA[Subepithelial Lesions]]></kwd>
<kwd lng="en"><![CDATA[Endoscopic Ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Upper Gastrointestinal Tract.]]></kwd>
<kwd lng="pt"><![CDATA[lesões subepiteliais]]></kwd>
<kwd lng="pt"><![CDATA[ultrassonografia endoscópica]]></kwd>
<kwd lng="pt"><![CDATA[trato gastrointestinal superior.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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