Fig. 2. (A) A 9-year-old boy shows right Legg-Calve-Perthes disease of Herring grade B on the radiograph. (B) Arthrodiastasis is performed. (C) Radiograph showing shortening of the femoral neck and relative overgrowth of the greater trochanter at 25 months after arthrodiastasis. (D) Greater trochanter distal transposition is done. (E) Shelf acetabuloplasty is performed for the coverage of femoral head at 94 months after arthrodiastasis. (F) Radiograph at the last follow-up (12 years) showing the reformed femoral head and the increased coverage of the femoral head with satisfactory clinical results.
