A Case of Omental Lymphangioma

Abstract

A 33-year-old woman admitted for abdominal discomfort, had undergone cystectomy of the omentum when 1 year old. Ultrasonography and computed tomography showed a cystic tumor in the upper right abdominal cavity. Surgery was conducted and a tumor found in the omentum. The polycystic tumor had serous contents, but no continuity with adjoining internal organs. Histopathologically it was diagnosed as lymphangioma. Lymphangioma originating from the omentum is very rare in adults. We surmised that neoplasm recurrence and the new neoplasm were related. No case has, to our knowledge, been reported of such recurrence, especially of an omental cyst 30 years after the first operation. Careful management to prevent recurrence is thus important in operation.