The endoscopic polypectomy with electrocoagulation is a method of nonsurgical elimination of accessible polypi of the upper segments of gastrointestinal tract. Results are reported of 113 endoscopic polypectomies in 84 patients being of therapeutic and diagnostic value. The method of endoscopic polypectomy is described as well as the preparation of the patients and their postoperation follow up. The polypectomy was successful in 83 of the patients and in 15 patients with multiple polyposis successive polypectomies were realized. The endoscopic polypectomy was performed in cases with tumor process localized in the distal part of esophagus, stomach and duodenum as well as in case of resected stomach. One case of recidivation is described after polypectomy and one case with newly formed polyps necessitating a repeated polypectomy. Complications after endoscopic polypectomy are reported in three patients--hemorrhage, conservatively coped and in 2 patients--perforation of gastric wall, forcing an emergency operation.