Clin Endosc.  2019 Jul;52(4):382-386. 10.5946/ce.2018.198.

A Case of Concurrent Ampullary Adenoma and Gangliocytic Paraganglioma at the Minor Papilla Treated with Endoscopic Resection

Affiliations
  • 1Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. dhpark@amc.seoul.kr
  • 2Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Abstract

A gangliocytic paraganglioma is a benign tumor of the digestive system with a very low incidence. The tumor is histopathologically characterized by a triphasic pattern consisting of epithelioid, ganglion, and spindle-shaped Schwann cells. In most cases, it occurs in the second portion of the duodenum near the ampulla of Vater. We report a case of a gangliocytic paraganglioma occurring at the minor duodenal papilla (a rare location) with a concurrent adenoma of the ampulla of Vater. Both lesions were treated simultaneously using endoscopic resection. Additionally, we have presented a literature review.

Keyword

Paraganglioma; Adenoma; Ampulla of Vater; Endoscopic mucosal resection
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