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A 13 year male patient with left hip pain for 5 months, the Harris score was 74. (a,b) Preoperative AP and lateral X‐ray films show grade I SCFE. (c,d) Postoperative AP and lateral X‐ray films show in situ single‐screw fixation. (e,f) Two year after the operation, AP and lateral X‐ray films show epiphyseal closure and no further increase in epiphyseal‐shaft angle.
