Adrenal myelolipoma: report of diagnosis by fine needle aspiration.

We report 2 cases of adrenal myelolipoma. The diagnosis was suspected preoperatively in the first case on the basis of radiographic findings, ultrasonography and computerized tomography, and was confirmed by an operation. In the second case the diagnosis was established by fine needle biopsy. Computerized tomography and ultrasonography help in the preoperative diagnosis of myelolipoma but only fine needle biopsy can differentiate this lesion from a malignant neoplasm and avoid an operation.