89-year-old man with history of pressure ulcer, evaluate for osteomyelitis of the coccyx. SOFT TISSUES: There is a soft tissue ulcer just superficial to the right lateral margin of the coccyx. Additionally, there is enhancement of the surrounding subcutaneous tissues, however there is no fluid collection suggestive of abscess.BONE MARROW: There is increased STIR signal intensity along with loss of normal T1 signal and enhancement of the coccyx and S5 vertebrae indicating osteomyelitis. There is a small bone island in the left femoral head. The remainder of the bone marrow signal appears normal.JOINTS: The hip joints are unremarkable.ADDITIONAL
Findings of osteomyelitis involving the inferior sacrum and coccyx.