Adrenocortical carcinoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

MRI scans are helpful to visualize

• Adrenal tumor mass.
• Metastatic lesions

• Adrenocortical carcinomas are usually large at diagnosis and appear heterogeneous on both T1- and T2-weighted images owing to the presence of internal hemorrhage and necrosis.
• Adrenocortical carcinoma can contain foci of intracytoplasmic lipid, which results in a loss of signal intensity on out-of-phase images.
• Large adrenal carcinomas tend to invade the adrenal vein and inferior vena cava.

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MRI is also be used to differentiate adrenocortical carcinomas from adrenal adenomas.