An adrenal lipoma is an extremely rare macroscopic fat containing adrenal lesion. with only a handful of cases described in literature 1.
Like other lipomas elsehwre in the body, they are benign tumors of mesenchymal origin that contain mature fatty tissue and are surrounded by a fibrous capsule.
Appears as a well-circumscribed, homogeneous, fatty lesion with minimal or no soft-tissue attenuation / signal within the lesion.
For macroscopic fat containing adrenal lesions consider
- adrenal myelolipoma: most common macroscopic fat containing adrenal lesion.
- 1. Abe T, Kawamura S, Aoki H, Kubo T, Monoma N. [A case of adrenal lipoma]. (1994) Nihon Hinyokika Gakkai zasshi. The japanese journal of urology. 85 (10): 1563-6. Pubmed
- 2. Akram M. Shaaban, Maryam Rezvani, Marc Tubay, Khaled M. Elsayes, Paula J. Woodward, Christine O. Menias. Fat-containing Retroperitoneal Lesions: Imaging Characteristics, Localization, and Differential Diagnosis. (2016) RadioGraphics. 36 (3): 710-34. doi:10.1148/rg.2016150149 - Pubmed