title: An unusually mild variant of Hunter's syndrome in a 14-year-old boy. Normal growth and development.
abstract: An unusually mild variant of Hunter's syndrome was described in a 14-year-old Japanese boy. He has maintained normal growth (25th percentile on the growth curve), and development (IQ 120-130) until 14 years and 4 months of age.
mesh_terms: D000293:Adolescent; D002657:Child Development; D006128:Growth; D006801:Humans; D007360:Intelligence; D008297:Male; D016532:Mucopolysaccharidosis II / Q000503:physiopathology / Q000523:psychology