Bilateral Giant Adrenal Myelolipomas: A Case Report and Literature Review

Abstract

Adrenal myelolipoma is a rare benign adrenal neoplasm presenting in 0.08%-0.4% of population based on autopsy series. It is of adrenal origin composed of mature adipose tissue and a variable amount of hematopoietic elements (myeloid and erythroid cells). Most patients are asymptomatic, and the lesion is discovered incidentally at autopsy or on imaging studies performed for other reasons. Most tumors are unilateral and small in size (＜5cm). The case of symptomatic bilateral giant adrenal myelolipomas is extremely rare. We report a case of bilateral giant adrenal myelolipoma in a 56-year-old male presenting with gradually abdominal distent ion for 6 months. We present characteristic CT finding in this patient with review of literatures.