Clinical Presentation

A preadolescent boy with left hip pain.

(A,B) Frontal and frog-leg radiographs of the pelvis demonstrate a widened proximal femoral growth plate on the left, with lateral displacement of the left femoral metaphysis relative to the epiphysis (arrows).

Differential Diagnosis

• Slipped capital femoral epiphysis: The widening of the physis and lateral displacement of the metaphysis relative to the epiphysis are typical.