▁rh iz om el ic ▁short ▁stat ure ▁and ▁later al ▁cla v icular ▁defect s . ▁It ▁is ▁also ▁known ▁as ▁Cle idor h iz om el ic ▁synd rome . ▁ ▁Pres entation ▁▁ ▁An ▁initial ▁clin ical ▁report ▁of ▁this ▁synd rome ▁describes ▁a ▁ 6 - month - old ▁boy ▁with ▁rh iz om el ic ▁short ening , ▁particularly ▁in ▁the ▁arms , ▁and ▁prot uber ances ▁over ▁the ▁later al ▁aspects ▁of ▁the ▁cla v icles . ▁On ▁radi ograph s ▁the ▁later al ▁third ▁of ▁the ▁cla v icles ▁had ▁a ▁b if id ▁appearance ▁resulting ▁from ▁an ▁ab normal ▁process ▁or ▁prot uber ance ▁ar ising ▁from ▁the ▁fusion ▁center . ▁His ▁ 2 2 - year - old ▁mother ▁also ▁had ▁a ▁height ▁of ▁ 1 4 2   cm ▁with ▁an ▁arm ▁span ▁of ▁ 1 3 6   cm ▁and ▁rh iz om el ic ▁short ness ▁of ▁the ▁lim bs , ▁maximal ▁in ▁the ▁arms , ▁and ▁ab normal ities ▁of ▁the ▁ac rom i oc lav icular ▁joint s . ▁Both ▁the ▁mother ▁and ▁the ▁son ▁had ▁marked ▁bil ater al ▁clin od act y ly ▁of ▁the ▁fifth ▁fingers ▁associated ▁with ▁hyp op last ic ▁middle ▁ph al an x . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : C ong en ital ▁dis orders ▁of ▁mus cul os ke let al ▁system ▁Category : Aut os om al ▁dominant ▁dis orders ▁Category : Gen etic ▁dis orders ▁with