Fig. 3

Radiographs of a 41-year-old male patient admitted for gradual pain in the left hip and limping for 8 months who was diagnosed with developmental dysplasia of the left hip (a) and Tönnis grade 1 osteoarthritis on radiography (b). Radiographs after modified triple pelvic osteotomy for the left hip was performed with the patient under general anesthesia (c) and at 6 months of follow-up (d). It was observed that the coverage rate of the femoral head significantly increased, the operative area healed well, pain and limping disappeared, and the range of hip motion improved. The range of hip motion of the same patient at 6 months after the surgery (e, f, g)