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Up to: Osteonecrosis of genetic origin · Primary avascular necrosis
Familial avascular necrosis of femoral head
Avascular necrosis of femoral head (ANFH) is a severely disabling disease characterized by progressive groin pain, a limping gait, leg length discrepancy, collapse of the subchondral bone, limitation of hip function and eventual degeneration of the hip joint requiring total hip arthroplasty.