Dwarfism

ACH; Achondroplasia; Chondrodystrophia; Chondrodystrophy syndrome; Congenital osteosclerosis; Dwarf, achondroplastic; Osteosclerosis congenita

Achondroplasia is a type of genetic disorder that is a common cause of dwarfism. People with this condition have short stature, usually reaching a full adult height of around 4'0" (1.2 metres). Incidence/Prevalence It occurs at a frequency of about 1 in 20,000 to 1 in 40,000 births. Clinical features Clinical features of the disease: nonproportional dwarfism (short stature) shortening of the proximal limbs (termed rhizomelic shortening) short fingers and toes a large head with promine ...