PMC4897017_01
54-year-old man with thigh mass subsequently proven to be hibernoma. Sagittal T1 (A), sagittal T2 with fat saturation (B), and sagittal T1 with fat saturation following intravenous gadolinium-based contrast infusion (C) show a heterogenous fat-containing large mass in the posterior thigh, superficial to the hamstring muscles.
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An MRI of the left thigh was performed and revealed a 20 cm lipomatous tumor in the posterior thigh (Fig. 1).
54-year-old man with thigh mass subsequently proven to be hibernoma. FDG PET images show avid uptake within the mass (SUV = 7.3).
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PET imaging revealed a large area of FDG uptake within the soft tissue of the left buttock and thigh with a standard uptake value (SUV) of 7.3 (Fig. 2).