[Imaging of adrenal glands]

The technical choice in imaging the adrenal gland will depend on several factors discussed in the review. CT and MRI are achieving increasingly high accuracy in the investigation of patients suspected to present adrenal pathology. Scintigraphy evaluates functional patterns of both adrenal cortex and medulla, depending on the radiopharmaceutical that is used. Non invasive characterization of adrenal lesions is very important in cases of incidental discovery of adrenal masses. This review concentrates on new techniques for evaluating the incidentally discovered adrenal masses and differentiating between adrenal adenomas and metastases.