A RESECTED CASE OF GIANT SOLITARY SCHWANNOMA OF THE GREAT OMENTUM

Abstract

We experienced a resected case of solitary schwannoma of the greater omentum. A 54-year-old man was admitted to the hospital because of sudden abdominal pain on September 19, 1996. Abdominal tumor having multiple cystic lesions and enhancing solid lesions. Abdominal angiography showed a moderately hypervascular tumor with tumor vessels supplied by the dilated right gastroepiploic vessels. We diagnosed the tumor to be originated from the greater omentum. extirpation of the tumor was performed on October 11, 1996. The tumor, measuring 24×22×9cm in diameter and weighing 3.6kg, was originated from the greater omentum. Histological examination proved that the tumor was benign schwannoma. Postoperative course was uneventful and the patient was discharged from the hospital 2weeks after the surgery.
Schwannoma of the greater omentum is extremely rare. There have been reported only 8cases including our case in both the Japanese and English literature.