Teenager with chronic right hip pain and acute left hip pain

Radiograph of Legg-Calve-Perthes disease and slipped capital femoral epiphysis
AP (above) and frogleg (below) radiographs of the pelvis shows the right femoral head to be flat and enlarged with femoral neck shortening. The left femoral epiphysis is slipped posteromedially.

The diagnosis was chronic right Legg-Calve-Perthes disease and left slipped capital femoral epiphysis.