Imaging diagnosis - bilateral adrenal adenomas and myelolipomas in a dog
A 10-year-old neutered female Pug was evaluated for a left adrenal mass detected previously by ultrasonography. Using computed tomography, a fat-attenuating, rim-enhancing left adrenal mass and a homogeneous, soft-tissue attenuating, intensely enhancing right adrenal mass were found. A left adrenalectomy and right adrenal biopsy were performed and the final diagnosis was bilateral adrenal adenomas and myelolipomas. Myelolipomas are rare, benign, endocrinologically inactive tumors composed of well-differentiated adipose tissue and a variable amount of hematopoietic cells of both lymphatic and myeloid lineages, which may account for the different appearance on tomographic images.
F Morandi, J L. Mays, Shelley Newman, and W H. Adams. "Imaging diagnosis - bilateral adrenal adenomas and myelolipomas in a dog" Veterinary Radiology & Ultrasound 48.3 (2007): 246-249.