Bite Sign

Avascular necrosis A term referring to the collapse and necrosis of the femoral head, which has been linked to excess local injection of steroids into a joint. The sharply demarcated gouged-out areas of bony destruction have been fancifully likened to animal bites
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A bite sign has also been described with chondromyxoid fibroma, a rare benign cartilaginous tumor of the bone.