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Title: Collagenous gastroduodenitis on collagenous colitis. Author: Stolte M, Ritter M, Borchard F, Koch-Scherrer G. Journal: Endoscopy; 1990 Jul; 22(4):186-7. PubMed ID: 2209504. Abstract: We report on a case of collagenous gastroduodenitis with concomitant collagenous colitis in a 75-year-old woman with watery diarrhea of approximately six months' standing. The step biopsy material obtained from the colon revealed continuous collagenous colitis with thickening of the basal membrane to 30 microns. The biopsies taken from the stomach and duodenum also revealed a band-like deposition of collagen in the duodenum (bulb and proximal portion of the descending portion) along the basal membrane of the lining epithelium, associated with partial atrophy of the villi. In the stomach, this band of collagen was located, parallel to the mucosal surface, at the level of the floor of the foveolae.[Abstract] [Full Text] [Related] [New Search]