A Child with Diminished Linear Growth and Waddling Gait

A 6-year-old girl presented with disproportionate short stature and windswept deformity of the lower limbs accompanied by flat feet, short broad hands (Figure 1), and waddling gait. Her weight (2750 g) and length (49 cm) at birth were within normal range. She was born to normal-stature parents and had a healthy 9-year-old sister. Her psychophysical development was uneventful until the age of 18 months, when she presented with disturbance in walking and joint pain in the lower limbs. At the same time, her height growth rate started to be significantly slower.

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