A 12-month-old female presented with obvious lower limb deformity bilaterally, initially noticed by the patient's grandmother when the patient was 10 months old (Fig. 1). She was concerned that the abnormality had progressively worsened over the ensuing 2-month period. Patient history elicited that the patient began walking at 9 months old and that she was in a high percentile bracket for weight. Physical examination revealed obvious excessive genu varus and tibia vara deformity bilaterally, with associated internal tibial torsion measuring 7?right and 10?left. The coxo-femoral ranges of motion were full and symmetric bilaterally without evidence of developmental anomaly. The patient walked with an unusual but unhindered gait. At this point, the patient was referred for X-ray analysis (Fig. 2).
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