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Duodenal angiolipoma -- endoscopic diagnosis and therapy.

We report on two patients with upper gastrointestinal bleeding owing to duodenal angiolipomas, and their endoscopic diagnosis and therapy. In both cases the bleeding source was a pedunculated tumour. Diagnosis and definitive therapy was made by endoscopic snare polypectomy. After stopping the bleeding from the mucosal defect by injection therapy in one patient, the further course was uneventful in both. A colonic angiolipoma in one of the patients was also treated by polypectomy. Gastrointestinal angiolipomas are exceedingly rare, however, these case reports show that duodenal angiolipomas do exist and that they, as lipomas, may lead to substantial gastrointestinal bleeding and may be treated successfully by standard polypectomy techniques.