Adrenal pseudocysts account for ~40% of adrenal cysts, and are more likely than simple adrenal cysts to be symptomatic. Pseudocysts do not have an epithelial lining and typically arise after an episode of adrenal hemorrhage.
Adrenal pseudocysts appear as a simple cyst or may have a complicated appearance (i.e. septations, blood products, or a soft-tissue component).
Calcification may be present 4. Usually, there is no enhancement post contrast.
Imaging differential considerations include:
- cystic adrenal neoplasm: often has an enhancing component.