| A rare genetic primary bone dysplasia and lethal form of neonatal short-limbed dwarfism, with characteristics of anisospondyly, severe short stature and limb shortening, metaphyseal flaring and distinct dysmorphic features (flat facial appearance, abnormal ears, short neck, narrow thorax). Additional features may include other skeletal findings (for example joint contractures, bowed limbs, talipes equinovarus) and urogenital and cardiovascular abnormalities. |