First AD

Second AD

An 85-year-old male with history of aortic stenosis receiving contrast-enhanced CT for preoperative evaluation.


This is a classic appearance of an adrenal myelolipoma. Adrenal myelolipomas are rare, benign tumors of the adrenal gland. They are encapsulated and well-circumscribed. Incidentally discovered, they are well-characterized on CT examinations as heterogeneous fatty attenuation adrenal masses. They contain fatty elements and hematopoietic tissue and, rarely, may rupture and bleed into the retroperitoneum when extremely large. A benign appearing, encapsulated adrenal mass containing pure fatty elements is highly suggestive of an adrenal myelolipoma.


Rao P, Kenney PJ, Wagner BJ, Davidson AJ. Imaging and pathologic features of myelolipoma. 

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85-year-old male with history of aortic stenosis receiving contrast-enhanced CT for preoperative evaluation.

Image IQ: 85-year-old Male, History of Aortic Stenosis

Duke Duncan, MD