short rib–polydactyly syndrome short rib–polydactyly syndrome short rib–polydactyly syndrome is a family of four closely related dysplasias: i – "saldino-noonan type" ii – "majewski type" iii – "verma-naumoff type" (associated with dync2h1) iv – "beemer-langer type" short rib–polydactyly syndromespecialtymedical genetics