Definition | Systemic lysosomal storage disease caused by a deficiency of alpha-L-iduronidase (IDURONIDASE) and characterized by progressive physical deterioration with urinary excretion of DERMATAN SULFATE and HEPARAN SULFATE. There are three recognized phenotypes representing a spectrum of clinical severity from severe to mild: Hurler syndrome, Hurler-Scheie syndrome and Scheie syndrome (formerly mucopolysaccharidosis V). Symptoms may include DWARFISM; hepatosplenomegaly; thick, coarse facial features with low nasal bridge; corneal clouding; cardiac complications; and noisy breathing.
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Synonym | alpha-l-iduronidase deficiency i mucopolysaccharidosis iduronidase deficiency disease l-iduronidase deficiency lipochondrodystrophies lipochondrodystrophy mps 1 mps i mpsi - mucopolysaccharidosis type i mucopolysaccharidosis 1 mucopolysaccharidosis i mucopolysaccharidosis i [disease/finding] mucopolysaccharidosis type i mucopolysaccharidosis type i (disorder) mucopolysaccharidosis type i [ambiguous] mucopolysaccharidosis, mps-i mucopolysaccharidosis, mps-i (disorder) mucopolysaccharidosis, type 1
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