Giant duodenal lipoma: an unusual cause of gastrointestinal bleeding (a case report).

Duodenal lipoma is a rare location of visceral lipomas, most are found incidentally via endoscopy or surgery and usually are asymptomatic. We report the case of a 58-year-old patient with an active bleeding duodenal lipoma. Although endoscopic treatment was scheduled initially, surgical intervention ultimately was indicated due to large size of tumor.

Giant malignant cystic pheochromocytoma: a case report.

Cystic malignant pheochromocytomas are uncommon. Differing from solid pheochromocytomas, which produce catecholamines and present adrenergic syndrome, cystic pheochromocytomas, may not produce these. Preoperative diagnosis may be difficult.

Giant liposarcoma of the omentum mimicking an ovarian tumor. A case report.

Liposarcomas are common soft tissue of the retroperitoneum and the limbs. They are rarely found in the greater omentum. Once in the peritoneum, these can become enormous and can be mistaken for ovarian mass.