Reason: right hip avn History: right hip pain There is increased signal abnormality within the anterior superior labrum likely representing a combination of degeneration and degenerative tearing. There is curvilinear signal abnormality within the right femoral head indicating avascular necrosis. There is flattening of the superior femoral head indicating subchondral collapse/fracture. There is bone marrow signal abnormality within the superior and medial right acetabulum which may be degenerative in etiology, although this could also represent additional foci of avascular necrosis. There is also a small focus of signal abnormality within the superomedial left femoral head also likely representing avascular necrosis. There is no evidence of subchondral collapse affecting the left hip. The alignment is anatomic. No additional bone marrow signal abnormality is identified. There is a small right hip joint effusion likely related to the aforementioned avascular necrosis of the right femoral head. There is fatty atrophy of the imaged musculature of the right hip. Severe degenerative disc disease affects image lower lumbar spine.
Findings indicating bilateral femoral head avascular necrosis, right greater than left. There is deformity of the right femoral head indicating subchondral collapse/fracture. Other findings as described above.