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- Title
Endoscopic Ultrasound Feature of Gastric Submucosal Tumor Diagnosed as Ectopic Pancreas after Endoscopic Resection.
- Authors
Seon-Young Park; Ho-sung Lee; Dong Hyun Kim; Sunmin Kim; Chung Hwan Jun; Jae Hyun Yoon; Eunae Cho; Chang Hwan Park; Hyun Soo Kim; Sung Kyu Choi; Jong Sun Rew
- Abstract
Background/Aims Gastric ectopic pancreas is a benign tumor. But there are some limitations to distinguish ectopic pancreas from malignant tumor without histologic confirmation. We analyzed endoscopic ultrasound (EUS) features of Submucosal tumor diagnosed as ectopic pancreas after endoscopic resection. Methods Thirty-one patients who were diagnosed gastric ectopic pancreas by histopathology were included in this study (from January 2004 to July 2018). All of them underwent EUS and endoscopic resection: endoscopic mucosal resection or endoscopic submucosal dissection. Results Seventeen patients (54.8%) were female, with a median age of 41.1 years (range, 14 to 74 years). Most commonly, the lesions were localized in antrum (n=26, 83.9%). Before histologic confirmation, In EUS finding, most commonly involved layer were muscularis mucosae (51.5%) and submucosal layer (51.5%). Mean size was 10.6 mm (range, 7 to 15 mm). Mixed echogenicity (61.3%), heterogenous pattern (77.4%), and indistinct border (54.8%) was commonly observed. Calcification (12.9%), anechoic duct-like structure (32.3%), and thickening of muscularis propria (more than twice than normal) (41.9%) were observed in some patients. Endoscopic mucosal resection (41.9%) and endoscopic submucosal dissection (58.1%) were performed. En-bloc rate was 69.2% and 88.9% respectively. Conclusions EUS can help identify the features of the ectopic pancreas. For complete ablation, endoscopic submucosal dissection may be better than endoscopic mucosal resection.
- Subjects
ENDOSCOPIC surgery; ENDOSCOPIC ultrasonography; PANCREAS; BENIGN tumors; DUODENAL tumors; CANCER
- Publication
Gut & Liver, 2019, Vol 13, Issue 6(suppl. 1), p137
- ISSN
1976-2283
- Publication type
Article