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Qualitative representation of femoral head deformity observed in those children with early-stage Legg-Calvé-Perthes disease (LCPD), compared to contralateral normal hips. The normal hips showed no visiblede formation (3a & 3b). The resting deformity of the LCPD hips (3c) was exacerbated on weightbearing (3d). The cartilaginous outline is visible and the ossific nucleus, also deformed, isoutlined in red.
