A case of giant symptomatic myelolipoma is described in which clinical
differentiation was difficult. It was considered to be an extremely r
are case of giant myelolipoma arising in the adrenal gland. Histologic
ally the present case contained more lipomatous elements than others r
eported to date. This is a case of giant adrenal myelolipoma with a fe
w foci of myeloid elements and it is suggested that this case has a tr
ue neoplastic nature rather than a hyperplastic or metaplastic one.