PMC4718471_01
Pre-operative anteroposterior pelvis (A) and right hip lateral (B) views in a 27-year-old female with symptomatic anterior rotatory instability and early degenerative changes. Offset correction and labral re-fixation was performed along with a derotational osteotomy of 15  correction (C). For evidence of poor bony union (D) in the setting of chronic smoking, the patient underwent revision fixation 6 months after index surgery. Satisfactory osteotomy site healing was achieved (E) and, at 2 years of post-operative follow-up, she had a good clinical outcome with no instability observed and resolution of her symptoms.
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hnv011-F10
One delayed union occurred in a 27-year-old chronic smoker (Fig. 10) with a diagnosis of coxa valga and 40  of femoral neck antetorsion and resulting anterior rotatory instability of the hip.