Fig. 3. (A) A 9-year-old boy shows left Legg-Calve-Perthes disease of Herring grade C on the radiograph. (B) Arthrodiastasis is performed. (C) Shelf osteotomy is done for the coverage of the femoral head at 28 months after arthrodiastasis. (D) Radiograph at 72 months after arthrodiastasis showing the increased coverage of the ovoid femoral head. (E) Radiograph at the last follow-up (7 years) showing relatively satisfactory results.
