Also known as: '''''Avascular Necrosis of the Femoral Head — Femoral Head Necrosis — Legg Perthes disease — Osteochondritis juvenilis — Coxa plana''''' | Also known as: '''''Avascular Necrosis of the Femoral Head — Femoral Head Necrosis — Legg Perthes disease — Osteochondritis juvenilis — Coxa plana''''' |