<?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>S2341-45452022000500058</article-id>
<article-id pub-id-type="doi">10.1159/000518586</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Endoscopic Management of Symptomatic Duodenal Duplication Cysts: Two Case Reports]]></article-title>
<article-title xml:lang="pt"><![CDATA[Abordagem endoscópica de quistos de duplicação duodenal sintomáticos: a propósito de dois casos clínicos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[Sara Teles de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rio-Tinto]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bispo]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fidalgo]]></surname>
<given-names><![CDATA[Paulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Devière]]></surname>
<given-names><![CDATA[Jacques]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Champalimaud Foundation Digestive Oncology Unit Gastroenterology Department]]></institution>
<addr-line><![CDATA[Lisbon ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Erasmus University Hospital - Université Libre de Bruxelles Hepatopancreatology, and Digestive Oncology Department of Gastroenterology]]></institution>
<addr-line><![CDATA[Brussels ]]></addr-line>
<country>Belgium</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>10</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>10</month>
<year>2022</year>
</pub-date>
<volume>29</volume>
<numero>5</numero>
<fpage>58</fpage>
<lpage>63</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452022000500058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452022000500058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452022000500058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Duodenal duplication cysts (DDCs) are rare congenital anomalies typically manifesting during childhood. Clinical manifestations are uncommon in adulthood. DDCs were classically treated surgically, but endoscopic treatment has been increasingly reported. Endoscopic cyst marsupialization establishes a communication between the cyst cavity and the duodenal lumen so that the cystic content can be drained continuously into the duodenum. We herein describe two cases of symptomatic DDCs diagnosed in adulthood and submitted to endoscopic marsupialization using different techniques and devices.  Case Summary:  Case 1: A 23-year-old female patient was admitted with the diagnosis of acute pancreatitis. Endoscopic ultrasound revealed a 35-mm duodenal subepithelial lesion whose proximal limit was immediately distal to the ampulla of Vater and filled with fluid and calcifications. Using a duodenoscope, deroofing of the lesion was made with a diathermic snare. Pathology confirmed the diagnosis of DDC. Case 2: A 41-year-old female, submitted to laparoscopic cholecystectomy 1 month earlier due to suspected lithiasic acute pancreatitis, was admitted due to suspicion of iatrogenic biliary fistula. An endoscopic retrograde cholangiopancreatography was performed and the bile leak was treated. Immediately distal to the papillary orifice, a 20-mm subepithelial lesion was also detected. A biopsy forceps was used to fenestrate its wall, allowing the exit of mucous fluid and stones, and a sphincterotome was used to expand the incision. No recurrence was documented in both cases.  Conclusion:  These cases highlight DDC as a potential cause for acute pancreatitis in adults and endoscopy as an easy treatment option.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  Os quistos de duplicação duodenais (QDD) são anomalias congénitas raras que tipicamente se manifestam durante a infância. As manifestações clínicas são pouco frequentes em adultos. Os QDD eram classicamente tratados cirurgicamente, mas o tratamento endoscópico tem sido crescentemente reportado. A marsupialização endoscópica do quisto estabelece uma comunicação entre a cavidade do quisto e o lúmen duodenal, permitindo que o conteúdo do quisto drene continuamente para o duodeno. Reportamos 2 casos de QDD diagnosticados em adultos e submetidos a marsupialização endoscópica, utilizando diferentes técnicas e dispositivos.  Casos clínicos:  Caso 1: Doente do sexo feminino, 23 anos, internada por pancreatite aguda. Por ecoendoscopia documentou-se lesão subepitelial duodenal com 35 mm com limite proximal imediatamente distal à ampola de Vater, preenchida por líquido e calcificações. Usando um duodenoscópio, foi feita marsupialização da lesão com ansa diatérmica. Histologia confirmou o diagnóstico de QDD. Caso 2: Doente do sexo feminino, 41 anos, submetida a colecistectomia laparoscópica 1 mês antes por suspeita de pancreatite aguda litiásica, foi internada por suspeita de fístula biliar iatrogénica. Por CPRE confirmou-se fuga biliar que foi tratada. Imediatamente distal ao orifício papilar, foi também detetada uma lesão subepitelial com 20 mm. Uma pinça de biopsia foi usada para fenestrar a sua parede, permitindo a saída de fluido mucoso e cálculos e um esfincterótomo foi usado para expandir a incisão. Não se registou recorrência em nenhum dos casos.  Conclusão:  Estes casos destacam os QDD como causa potencial de pancreatite aguda em adultos e a endoscopia como possível opção terapêutica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Duodenal duplication cysts]]></kwd>
<kwd lng="en"><![CDATA[Pancreatitis]]></kwd>
<kwd lng="en"><![CDATA[Endoscopic marsupialization]]></kwd>
<kwd lng="en"><![CDATA[Endoscopic ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Endoscopic retrograde cholangiopancreatography]]></kwd>
<kwd lng="pt"><![CDATA[Quistos de duplicação duodenal]]></kwd>
<kwd lng="pt"><![CDATA[Pancreatite]]></kwd>
<kwd lng="pt"><![CDATA[Marsupialização endoscópica]]></kwd>
<kwd lng="pt"><![CDATA[Ecoendoscopia]]></kwd>
<kwd lng="pt"><![CDATA[Colangiopancreatografia retrógrada endoscópica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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