Lipid-rich adrenal adenoma
Incidental finding of adrenal lesion on CTPA. Characterisation study requested.
MRI for adrenal lesion characterization
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A 3.5 cm left adrenal lesion which shows reduction in signal intensity between the in-phase and out of phase T1-weighted images. Normal right adrenal gland.
The marked reduction in signal intensity between the in-phase and out of phase T1-weighted images indicates fatty content, and therefore a lipid-rich adenoma. For lipid-rich adenomas of the adrenal glands measuring under 4 cm in a patient with no underlying malignancy, no follow up imaging is required 1.