Endoscopy, Table of Contents Endoscopy 1983; 15(3): 117-118DOI: 10.1055/s-2007-1021483 © Georg Thieme Verlag KG Stuttgart · New YorkHyperplasiogenic Polyp in the DuodenumW. Rösch, P.W. Höer Departments of Medicine and Pathology, Northwest-Hospital Frankfurt Dedicated to Prof. Dr. K. Elster on the occasion of his 65th birthday. Recommend Article Abstract PDF Download(opens in new window) Buy Article(opens in new window) Summary Report on a 42-year-old patient with extensive heterotopia of gastric mucosa within the first portion of the duodenum which formed the matrix of a hyperplasiogenic polyp. Key words: Gastric heterotopia - Duodenal polyp - Hyperplasiogenic polyp - Snare ectomy PDF (475 kb)