PMC6176301_01
Abdominal CT scan: presence of a big mass in the left adrenal lodge (6-cm mass).
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fig1
Chest computed tomography (CT) (Figure 1) incidentally detected a 6-cm mass in the left adrenal lodge.
Abdominal MRI scan: presence of a big heterogeneous adrenal lesion, with hyperintense spots due to hematic content.
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fig2
Body 18F-fluorodeoxyglucose positron emission tomography scan: no significant metabolic activity in the adrenal mass but intense uptake in supra- and subdiaphragmatic brown adipose tissue.
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fig3
A 18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET) performed in order to exclude any extra-adrenal uptake: no significant metabolic activity in the adrenal mass but intense uptake in supra- and subdiaphragmatic brown adipose tissue was detected, likely due to noradrenergic-stimulated glucose uptake (Figure 3).