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      Duplication cysts: Diagnosis, management, and the role of endoscopic ultrasound

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          Abstract

          Gastrointestinal tract duplication cysts are rare congenital gastrointestinal malformation in young patients and adults. They consist of foregut duplication cysts, small bowel duplication cysts, and large bowel duplication cysts. Endoscopic ultrasound (EUS) has been widely used as a modality for the evaluation and diagnosis of duplication cysts. EUS is the diagnostic tool of choice to investigate duplication cysts since it can distinguish between solid and cystic lesions. The question of whether or not to perform EUS-fine needle aspiration (EUS-FNA) on a lesion suspected of being a duplication cyst is controversial as these lesions can become infected with significant consequences, although EUS-FNA is often required to obtain a definitive diagnosis and to rule out more ominous lesions. This manuscript will review the literature on duplication cysts throughout the body and will also focus on the role of EUS and FNA with regards to these lesions.

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          Most cited references58

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          Surgical management of alimentary tract duplications.

          Alimentary tract duplications are unusual anomalies that may require surgical intervention in the neonate, infant, and occasionally in the older child. The clinical presentation of patients with alimentary tract duplications includes bleeding, abdominal pain, intussusception, and respiratory distress, or it may be an incidental finding on either abdominal examination or chest x-ray. A review of 96 patients with 101 duplications seen over the last 37 years is reported herein. Twenty-one duplications were confined to the thorax; three were thoracoabdominal, and 77 were abdominal. Seventy-four patients presented as infants less than 2 years of age, and 22 patients were older. Ectopic gastric mucosa was found in 21 duplications, and pancreatic tissue was found in five. Seventy-five duplications were cystic and 26 were tubular. Ultrasonography, computed tomography (CT), and myelography are helpful diagnostic tools. Ninety-four of the 96 patients underwent surgical management for their duplications. One duplication was found at necropsy, and one patient was asymptomatic and did not undergo operation. A single death occurred in a 2-day-old infant who had intrauterine volvulus and meconium peritonitis. Management was based on the age and condition of the patient, the location of the lesion, whether it was cystic or tubular and communicating with the true intestinal lumen, and whether it involved one or more anatomic locations. Generally, total excision was preferred, but staged approaches were sometimes necessary.
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            Gastrointestinal duplications.

            The aim of this study was to review the presentations of gastrointestinal duplication (GID) and to assess the influence of prenatal diagnosis on treatment. Retrospective review of all GID at 2 pediatric hospitals from 1980-2002 was conducted. Seventy-three patients (M43:F30) were identified: 21 neonates, 28 infants (1 to 24 months), 15 children (1 to 10 years), 9 adolescents (>/=11 years). GID location by frequency was ileum (31.5%), ileocaecal valve (30.2%), duodenum (9.6%), stomach (8.2%), jejunum (8.2%), colon (6.8%), and rectum (5.5%). In neonates and infants, vomiting and distension were the most common presentations. Volvulus, caused by a duplication, occurred in 23.8% of neonates and caused the death of one neonate. Intussusception was identified in 10.9% of patients. In older children and adolescents, pain and vomiting were the most common associations. Six of these patients were being treated for Crohn's disease, with the diagnosis of duplication made at laparotomy. Eighteen patients had a prenatal diagnosis by ultrasound scan, with 77.2% of these asymptomatic after birth. Most prenatal diagnoses occurred after 1991 (77.8%). When comparing an earlier period (1980 to 1991; 29 patients) with the current (1992 to 2002; 44 patients), a greater proportion of the latter patients were asymptomatic (36.4 v 13.8%) and had a lower incidence of complications (volvulus/intussusception). GID can lead to life-threatening complications. Prenatal diagnosis should lead to expeditious postnatal investigation and treatment before the onset of symptoms or complications. GID in older children can mimic Crohn's disease. Laparoscopy/laparotomy should be considered in patients with atypical Crohn's disease or when the diagnosis of an intraabdominal mass is unclear. Copyright 2003 Elsevier Inc. All rights reserved.
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              Adenocarcinoma arising from a gastric duplication cyst with invasion to the stomach: a case report with literature review.

              This report describes a rare case of adenocarcinoma arising from a gastric duplication cyst, with invasion to the stomach wall, in a 40 year old Japanese man. A cystic lesion was found between the stomach and the spleen. The cyst had a well circumscribed smooth muscle layer, corresponding to the muscularis propria of the stomach and the mucosa of the alimentary tract. A well differentiated adenocarcinoma was found within the duplication cyst, invading its serosa. Well differentiated adenocarcinoma was independently found in the fundus of the stomach; the tumour of the cyst was connected by fibrous tissue. Microscopically, there was neither adenocarcinoma in situ nor precancerous lesions, such as epithelial dysplasia, suggesting that the carcinoma derived from a gastric duplication cyst that invaded the stomach. Duplication cysts should be included in the differential diagnosis of cystic masses of the gastrointestinal tract, and the possibility of malignancy within these cysts should be considered.
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                Author and article information

                Journal
                Endosc Ultrasound
                Endosc Ultrasound
                EUS
                Endoscopic Ultrasound
                Medknow Publications & Media Pvt Ltd (India )
                2303-9027
                2226-7190
                Jul-Sep 2014
                : 3
                : 3
                : 152-160
                Affiliations
                [1]Department of Gastroenterology and Hepatology, University of Utah School of Medicine, Huntsman Cancer Center, Salt Lake City, Utah, USA
                Author notes
                Address for correspondence Dr. Douglas G. Adler, E-mail: douglas.adler@ 123456hsc.utah.edu
                Article
                EUS-3-152
                10.4103/2303-9027.138783
                4145475
                25184121
                907c8e0f-03b1-4ade-a0d2-0ca0cb1c88b8
                Copyright: © Endoscopic Ultrasound

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 09 January 2014
                : 29 January 2014
                Categories
                Review Article

                bronchogenic,duodenal,duplication cyst,esophageal,endoscopic ultrasound,fine needle aspiration,mediastinitis

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