Two Cases of Lymphangioma of the Large Intestine.

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Lymphangioma is a rare tumor of the large intestine. We recently experienced two cases of lymphangioma of the large intestine.<BR>Case 1 is a 51 year-old male. Barium enema revealed a 13 mm polyp in the splenic flexure of the colon. Colonoscopic finding revealed a smooth surface, pale semipedunculated lesion which was easily compressed with biopsy forceps (cushion sign). Endoscopic polypectomy was performed under the diagnosis of lymphangioma. Histologically, it was a cavernous lymphangioma.<BR>Case 2 is a 50-year-old male. Barium enema revealed a smooth surfaced, 35×34 mm submucosal tumor like lesion in the transverse colon. Colonoscopic finding revealed cushion sign. After the biopsy, its serous contents flowed out and this lesion vanished. It was suspected strongly as lymphangioma.<BR>Diagnosis of lymphangioma is possible by means of careful colonoscopic examination. If there is no complication, endoscopic treatment (polypectomy, suction or incision) or follow up seems to be preferable procedure for lymphangioma of the large intestine, because lymphangioma is a non-epithelial benign tumor.
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