[MIM*309900] an error of mucopolysaccharide metabolism characterized by deficiency of iduronate sulfatase, with excretion of dermatan sulfate and heparan sulfate in the urine; clinically similar to Hurler syndrome but distinguished by less severe skeletal changes, no corneal clouding, and X-linked recessive inheritance; caused by mutation in the iduronate sulfatase gene (IDS) on chromosome Xq. SYN: mucopolysaccharidosis type II.
