Presentation
Left hip pain.
From the case:
Avascular necrosis of femoral head
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New increased sclerosis in the left hip in a patient with osteoporosis treated with bisphosphonates. There is a radiolucent crescent demonstrated at the femoral head which parallels the articular surface indicating subchondral collapse.
Incidental note is made of increased sclerosis in the right femoral hip surrounding a wide caliber linear lucency, consistent with removal of a dynamic hip screw.
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