抄録
Four cases of lymphangioma of the duodenum were reported. All of the tumors were found in the second portion of the duodenum with endoscopy. They were yellowish elevated lesion with smooth surface and were 7 to 15 mm in diameter. Their appearances were quite similar to xanthoma. The histological examination revealed normal epithelium and dilated lymphatic vessels filled with lymphatic fluid in the submucosa. Lymphangioma of the duodenum is benign tumor, however, there are only 45 reports about them. The exact incidence and natural history of lymphangioma of the duodenum should be elucidated.
