Table 1.

Physical features that warrant further work up for skeletal dysplasia.

• Disproportion 1. Elevated or decreased sitting height:total height 2. More than 2 cm difference between wing span and height after age 10 •Micromelia, rhizomelia, mesomelia, or acromelia •Extremity angulation—either varus or valgus •Severe scoliosis •Madelung deformity •Small ears with any cysts •Dental abnormalities—abnormal enamel, conical teeth •Facial dysmorphisms—midface hypoplasia, low set ears, large or small chin, blue sclerae, cleft palate