This is a fracture of the growth plate leading to a slipping of the femoral epiphysis off the femoral neck. Patient often overweight and there is an association with hypothyroidism. Patient complains of pain in hip or knee and holds the extremity externally rotated. Resists internal rotation. The femoral head is displaced medially in relation to the femoral neck.
Treatment is surgical with pinning of the joint.
This is an avascular necrosis of the femoral head. Common between the ages of 4-9 years and greater incidence in males. The onset is insidious with painless limp and then development of hip, groin, lateral thigh, or knee pain. Physical examination will demonstrate leg length discrepancy, decreased abduction and internal rotation. There is a flattening and fragmentation of the femoral head.