Presentation
Left flank pain.
Patient Data
Age: 50 years
Gender: Female
From the case:
Adrenal epithelial cyst
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Large left retroperitoneal cyst, appears simple without enhancement. Internally low-density at 10 HU. Left kidney is inferiorly displaced with loss of fat plane.
Case Discussion
The patient proceeded to resection. Operative findings were of a large cyst that was attached to the lateral limb of the left adrenal gland, and it peeled away easily from the kidney. The cyst and lateral limb of the left adrenal gland was resected, and the pathological diagnosis was of an adrenal epithelial cyst.
Adrenal cysts are rare, with an estimated incidence of 0.1%. Of the adrenal cyst subtypes, epithelial cyst are uncommon, account for only 5-10% of adrenal cystic lesions.