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a, b, c Radiographs demonstrate correction of the head neck offset after osteochondroplasty in addition to an improvement in the trochanteric height. d Aspherical femoral head with an anterolateral prominence, and a full-thickness central defect (arrowhead) of approximately 20 × 15 mm. e Mosaicplasty of the femoral head defect was performed with three donor plugs harvested from anterolateral head that was later resected (f) and recontoured.
