Silver-Russell syndrome

Silver-Russell syndrome, also called Silver-Russell dwarfism, is a rare congenital growth disorder. In the United States it is usually called Russell-Silver syndrome, and the name Silver-Russell syndrome is used elsewhere. It is one of 200 types of dwarfism and one of five types of primordial dwarfism. It occurs in approximately one out of every 50,000 to 100,000 births, and males and females seem to be affected with equal frequency.