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Syndrome reference sheet
Generated 13 Oct 2026
Cardiology · Cardiology / Genetic cardiology

Hurler syndrome

Also known as: Hurler–Scheie syndrome; Mucopolysaccharidosis type I

Lysosomal storage disorder with valve disease and coronary narrowing.

Medical specialty
Cardiology
Subspecialty
Cardiology / Genetic cardiology
Sex & age distribution
Male: affected; Female: affected equally; Children: yes, infancy
Gene(s) involved
IDUA

Etiology & mechanism

IDUA deficiency causes glycosaminoglycan accumulation.

Gene(s) involved (1)

IDUA

Symptoms & signs (9)

cardiomyopathycoarse faciescorneal cloudingcoronary stenosisdysostosis multiplexhearing losshepatosplenomegalymitral regurgitationvalve thickening
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