Male, 70 years old. Avascular necrosis of left femoral head. Avascular necrosis affects the bilateral femoral heads. There is no evidence of collapse of the right femoral head. There is flattening of the left femoral head with severe osteoarthritis of the left hip including joint space narrowing and osteophyte formation.
1.End-stage avascular necrosis of the left hip with severe osteoarthritic changes.2.Avascular necrosis of the right femoral head without collapse.