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Duodenal angiomyolipoma: a case report.

The authors present a case of duodenal angiomyolipoma. Angiomyolipoma is a benign neoplasm, the most common site being the kidney. Extrarenal angiomyolipomas are rare. Only one case of duodenal angiomyolipoma has been reported. A 66 year old man presented with GI bleeding for two years. Endoscopy revealed a duodenal polyp which on histopathology revealed features of angiomyolipoma. On immunohistochemistry, smooth muscle component was positive for Smooth Muscle Actin. HMB-45 showed mild focal positivity. Patient had no history of tuberous sclerosis. Surgical excision of angiomyolipoma is usually curative with rare cases of local recurrence.