Legg-Calvé-Perthes disease is a childhood condition that affects the hip, is a temporary hip condition in which the femoral head loses its blood supply (avascular necrosis). Perthes disease usually involves just one hip, but both hips can be affected. It is rare for a child to have whole femur-head involvement.
The four stage of Perthes disease:
- femoral head becomes more dense with possible fracture of supporting bone
- fregmentation and reabsorption of bone
- healing (new bone reshapes) (more…)