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Minerva Gastroenterologica e Dietologica 2016 June;62(2):131-7

Copyright © 2016 EDIZIONI MINERVA MEDICA

language: English

Endoscopic mucosal resection of large non-ampullary duodenal polyps: technical aspects and long-term therapeutic outcomes

Natalie COSGROVE 1, Ali A. SIDDIQUI 1, Charles A. KISTLER 1, Andrew ZABOLOTSKY 1, Saad S. GHUMMAN 1, Umar HAYAT 1, Sobia N. LAIQUE 1, Juliana F. YANG 2, Muhammad K. HASAN 3

1 Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital, Philadelphia, PA, USA; 2 Division of Gastroenterology and Hepatology, University of Texas Southwestern Medical Center, Dallas, TX, USA; 3 Division of Gastroenterology and Hepatology, Florida Hospital, Orlando, FL, USA


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BACKGROUND: Our aim was to evaluate the efficacy, safety and long term outcomes of endoscopic mucosal resection (EMR) of large non-ampullary duodenal polyps.
METHODS: A retrospective review of patients undergoing EMR of non-ampullary duodenal polyps ≥10 mm in size was performed. EMR was performed using standard snare polypectomy using pure coagulation current. Patient demographics, polyp site and histopathology, resection technique, use of adjunctive argon plasma coagulation (APC) ablation, adverse events, and residual/recurrent neoplasia at follow-up were evaluated.
RESULTS: 59 duodenal lesions were removed by EMR (mean age 62 years, 55.9% men). 17 (28.8%) polyps were located in the bulb, 31 (50.8%) in the 2nd portion and 12 (20.3%) in the 3rd part of the duodenum. The mean size of lesions resected was. Submucosal saline injection followed by hot snare polypectomy was performed for 29 (49%) endoscopies. Adjunctive ablation of focal residual neoplastic tissue with APC was applied in 18 cases (30.5%). Complete endoscopic eradication during a single session was performed successfully in 46 (79%) patients. En-bloc resection was performed in 40 polyps (67%) and piecemeal resection in 19 (32.2%). Procedure complications were acute bleeding (N.=11) and 1 microperforation that was managed with clip closure and antibiotics. The mean follow-up time was 37 months (range 22-53). The overall endoscopic cure rate was 93%. On follow-up surveillance, residual adenoma was identified in 13 (22%) patients; these were all eradicated endoscopically.
CONCLUSIONS: EMR for large non-ampullary duodenal adenomas is a safe and effective technique to achieve complete eradication.

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