Volume 117, Issue 6, Pages 1295-1300 (December 1999) Colonoscopic polypectomy in chronic colitis: Conservative management after endoscopic resection of dysplastic polyps  Peter H. Rubin, Sonya Friedman, Noam Harpaz, Eric Goldstein, Jeffrey Weiser, Jeremy Schiller, Jerome D. Waye, Daniel H. Present  Gastroenterology  Volume 117, Issue 6, Pages 1295-1300 (December 1999) DOI: 10.1016/S0016-5085(99)70279-9 Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 1 Endoscopic photograph of characteristic pseudopolyps: multiple, with smooth surface, sharp borders. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 2 Endoscopic photograph of a characteristic large pseudopolyp: whitish surface exudate and sharp borders. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 3 Endoscopic photograph of a characteristic dysplastic polyp in colitic mucosa: irregular borders, dull surface, solitary. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 4 Endoscopic photograph of characteristic larger dysplastic polyp in colitic mucosa: irregular borders and dull, rough surface. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 5 Follow-up of 48 patients after initial colonoscopic polypectomy (103 follow-up colonoscopies): 17 patients have been followed up for more than 5 years. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 6 The number of patients with single or multiple endoscopic polypectomy over the course of the study. Most patients had only 1 polyp, and 1 patient had 10 polyps resected. ▩, Ulcerative colitis; ■, Crohn's disease. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 7 Polyps were detected on the initial (screening) colonoscopy in 23% of ulcerative colitis (▩) and 33% of Crohn's colitis (■) patients. The subsequent (surveillance) colonoscopies detected most of the polyps found. In 1 patient the first polyp was found as late as the sixth colonoscopy. Gastroenterology 1999 117, 1295-1300DOI: (10.1016/S0016-5085(99)70279-9) Copyright © 1999 American Gastroenterological Association Terms and Conditions