Primary hyperparathyroidism presenting as slipped capital femoral epiphysis

A 15-year-old boy presented with insidious onset bilateral thigh pain for 6 months. Examination of hips showed restricted internal rotation. Pelvis radiograph (figure 1) showed bilateral slipped capital femoral epiphysis (SCFE) with subchondral bone resorption in right inferior pubic rami and ilium . Hand radiograph (figure 2) showed subperiosteal bone resorption along the radial aspect of middle phalanges. Figure 1 Anteroposterior view of...