<?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>2341-4545</journal-id>
<journal-title><![CDATA[GE-Portuguese Journal of Gastroenterology]]></journal-title>
<abbrev-journal-title><![CDATA[GE Port J Gastroenterol]]></abbrev-journal-title>
<issn>2341-4545</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Gastrenterologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2341-45452023000200033</article-id>
<article-id pub-id-type="doi">10.1159/000525993</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Endoscopic Submucosal Dissection for Subepithelial Tumor Treatment in the Upper Digestive Tract: A Western, Multicenter Study]]></article-title>
<article-title xml:lang="pt"><![CDATA[Disseção endoscópica da submucosa nas lesões subepiteliais do tubo digestivo superior: estudo multicêntrico ocidental]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manta]]></surname>
<given-names><![CDATA[Raffaele]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zito]]></surname>
<given-names><![CDATA[Francesco Paolo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pugliese]]></surname>
<given-names><![CDATA[Francesco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caruso]]></surname>
<given-names><![CDATA[Angelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mangiafico]]></surname>
<given-names><![CDATA[Santi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[D&#8217;Alessandro]]></surname>
<given-names><![CDATA[Alessandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellani]]></surname>
<given-names><![CDATA[Danilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Germani]]></surname>
<given-names><![CDATA[Ugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mutignani]]></surname>
<given-names><![CDATA[Massimiliano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conigliaro]]></surname>
<given-names><![CDATA[Rita Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bonetti]]></surname>
<given-names><![CDATA[Luca Reggiani]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matsuda]]></surname>
<given-names><![CDATA[Takahisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Francesco]]></surname>
<given-names><![CDATA[Vincenzo De]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zullo]]></surname>
<given-names><![CDATA[Angelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galloro]]></surname>
<given-names><![CDATA[Giuseppe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,General Hospital Gastroenterology and Digestive Endoscopy ]]></institution>
<addr-line><![CDATA[Perugia ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,AORN Cardarelli Gastroenterology and Digestive Endoscopy Unit ]]></institution>
<addr-line><![CDATA[Naples ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Niguarda Hospital Digestive Endoscopy Unit ]]></institution>
<addr-line><![CDATA[Milan ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,NOCSAE Baggiovara Gastroenterology and Digestive Endoscopy Unit ]]></institution>
<addr-line><![CDATA[Modena ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Pineta Grande Hospital Digestive Endoscopy Unit ]]></institution>
<addr-line><![CDATA[Caserta ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,University of Modena and Reggio Emilia Department of Pathology ]]></institution>
<addr-line><![CDATA[Modena ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,National Cancer Center Hospital Endoscopy Division ]]></institution>
<addr-line><![CDATA[Tokyo ]]></addr-line>
<country>Japan</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Riuniti Hospital Gastroenterology Unit ]]></institution>
<addr-line><![CDATA[Foggia ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Nuovo Regina Margherita Hospital Gastroenterology Unit ]]></institution>
<addr-line><![CDATA[Rome ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Federico II University Surgical Digestive Endoscopy, Department of Clinical Medicine and Surgery ]]></institution>
<addr-line><![CDATA[Naples ]]></addr-line>
<country>Italy</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>33</fpage>
<lpage>38</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452023000200033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452023000200033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452023000200033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background/Aims:  Endoscopic submucosal dissection (ESD) has been proposed for removal of gastrointestinal sub-epithelial tumors (GI-SETs), but data are still scanty. This study aimed to report a case series from a western country.  Patients and Methods:  Data of patients with upper GI-SETs suitable for ESD removal observed in 4 centers were retro-spectively reviewed. Before endoscopic procedure, the lesion was characterized by endosonographic evaluation, histology, and CT scan. The en bloc resection and the R0 resection rates were calculated, as well as incidence of complications, and the 1-year follow-up was reported.  Results:  Data of 84 patients with esophageal (N = 13), gastric (N = 61), and duodenal (N = 10) GI-SETs were collected. The mean diameter of lesions was 26 mm (range: 12-110 mm). There were 17 gastrointestinal stromal tumors, 12 neuroendocrine tumors, 35 leiomyomas, 18 lipomas, and 2 hamartomas. En bloc and R0 resection were achieved in 83 (98.8%) and in 80 (95.2%) patients, respectively. Overall, a complication occurred in 11 (13.1%) patients, including bleeding (N = 7) and perforation (N = 4). Endoscopic approach was successful in all bleedings, but 1 patient who required radiological embolization, and in 2 perforations, while surgery was performed in the other patients. Overall, a surgical approach was eventually needed in 5 (5.9%), including 3 in whom R0 resection failed and 2 with perforation.  Conclusions:  Our study found that ESD may be an effective and safe alternative to surgical intervention for both benign and localized malignant GI-SETs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução/objetivos:  A dissecção endoscópica da sub-mucosa (ESD) tem sido proposta para a exérese de tumores subepiteliais gastrointestinais (GI-SETs), embora a literatura seja escassa. Este estudo teve como objetivo reportar uma série de casos de um país ocidental.  Métodos:  Coorte retrospectiva incluindo doentes com SETs do tubo digestivo superior submetidos a ESD em 4 centros (1 ano de follow-up). Antes do procedimento, a lesão foi caracterizada por ecoendoscopia, histologia e tomografia com-putadorizada. Foram avaliadas as taxas de ressecção em bloco e R0, bem como a incidência de complicações.  Resultados:  Incluídos 84 doentes com GI-SETs esofágicos (N = 13), gástricos (N = 61) e duodenais (N = 10). O diâmetro médio das lesões foi de 26 mm (intervalo 12-110 mm) - 17 tumores do estroma gastrointestinal, 12 tumores neuro-endócrinos, 35 leiomiomas, 18 lipomas e 2 hamartomas. A resseção foi em bloco e R0 em 83 (98.8%) e em 80 (95.2%) doentes, respectivamente. Globalmente, ocorreram complicações em 11 (13.1%) doentes, incluindo hemorragia (N = 7) e perfuração (N = 4). A terapêutica endoscópica foi eficaz em todas as hemorragias exceto em 1 doente que necessitou de embolização radiológica e em 2 perfurações (submetidas a cirurgia). No geral, a abordagem cirúrgica foi necessária em 5 (5.9%) - 3 doentes com resseção R1 e 2 com perfuração.  Conclusões:  A ESD pode ser uma alternativa eficaz e segura à intervenção cirúrgica para GI-SETs benignos e malignos localizados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Endoscopic submucosal dissection]]></kwd>
<kwd lng="en"><![CDATA[Subepithelial tumors]]></kwd>
<kwd lng="en"><![CDATA[Gastrointestinal stromal tumor]]></kwd>
<kwd lng="en"><![CDATA[Neuroendocrine tumor]]></kwd>
<kwd lng="en"><![CDATA[Upper GI]]></kwd>
<kwd lng="pt"><![CDATA[Disseção endoscópica da submucosa]]></kwd>
<kwd lng="pt"><![CDATA[Tumores subepiteliais]]></kwd>
<kwd lng="pt"><![CDATA[Tumor do estroma gastrointestinal]]></kwd>
<kwd lng="pt"><![CDATA[Tumor neuroendócrino]]></kwd>
<kwd lng="pt"><![CDATA[Tubo digestivo superior]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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