Lipid rich adrenal adenoma
Incidental finding of adrenal lesion on CTPA. Characterisation study requested.
MRI for adrenal lesion characterisation
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3.5 cm left adrenal lesion which shows reduction in signal intensity between the "in" and "out" phases of the T1 weighted images. Normal right adrenal gland.
The marked reduction is signal intensity between the "in" and "out" phases on the T1 weighted images indicates fatty content, and therefore a lipid rich adenoma. For lipid rich adenomas of the adrenal glands measuring under 4 cm, where the patient has no underlying malignancy, no follow up imaging is required1.