Clinical There is replacement of the marrow signal involving the coccygeal segments with a fracture through the coccyx. The marrow signal is hypointense on T1, hyperintense on T2 and enhances. There is an adjacent fluid pocket inferiorly measuring 1.9 x 1.5 cm contiguous with the bone. No intrapelvic extension.There is some soft tissue loss involving the right posterior thigh adjacent to the greater trochanter however, no signal abnormalities noted within the femur.There is some subcutaneous edema.There is some mild edema involving the left hamstring tendons.
Findings of osteomyelitis of the coccyx with a soft tissue abscess.