The present paper reports on two cases with relatively rare vascular lesions of the stomach. Case 1 was a 36-year-old female with the chief complaint of epigastric pain. Based on roentgenography of the stomach, gastric endoscopy and ultrasonic endoscopy, a diagnosis of gastric hemangioma was made, and hemigastrectomy with sphincteric preservation was performed. The histopathological diagnosis was cavernous hemangioma. Case 2 was a 58-year-old female with the chief complaint of anemia. Red spots

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... were scattered on the tongue and in the precordial region. Family history revealed that her oldest son had similar spots on his tongue. Stools were positive for occult blood test. Endoscopy revealed multiple telangiectasias extending from the terminal esophagus to the stomach, leading to the diagnosis of Osler-Weber-Rendu disease. Subtotal gastrectomy was performed for con comitant gastric cancer and microwave coagulation therapy for the remaining telangiectasias. Vascular lesions of the stomach and intestine are roughly classified into hemangioma and telangiectasia. It is considered that angiography is of the highest diagnostic value for hemangioma, but we believe that ultrasonic en doscopy is useful as an adjunctive diagnostic tool. In many cases telangiectasias are multiple. Endoscopic treatment using laser and other techniques are becoming more common, but microwave coagulation therapy is also considered to be a useful therapeutic approach.