SHOX and Leri-Weill dyschondrosteosis: Previous studies reported average heights of 159 cm or below standard heights at the 19th percentile,2,21 not surprising given that a substantial proportion of patients with Madelung deformity have confirmed SHOX gene mutations, which is strongly associated with short stature and dyschondrosteosis.3,4 Of our participants, 28% reported having this genetic mutation, and 47% reported on Madelung deformity occurring in family members.