School ager with left hip pain for 5 weeks

Radiograph of Legg-Calve-Perthes disease
AP (left) and frog-leg (right) radiographs of the left hip show in the left femoral head a subarticular lucency and sclerosis and an irregular contour along with loss of height of the femoral head.

The diagnosis was Legg-Calve-Perthes disease.