Fig. 1

A 12-year-old female patient presented with pain in the right hip. a Anteroposterior (AP) radiograph demonstrates severe posteromedial displacement of the capital femoral epiphysis. b Intraoperative picture shows the displacement. c Modified Dunn osteotomy after surgical hip dislocation (SHD). d Femoral osteochondroplasty was performed to restore the proximal femoral anatomy and femoral head sphericity. e Positive bleeding sign after reduction. f Postoperative AP view at 1-year follow-up with excellent hip motion