Orphanet: Metachromatic leukodystrophy, late infantile form
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Metachromatic leukodystrophy, late infantile form

Disease definition

A subtype of Metachromatic leukodystrophy characterized by rapidly progressive psychomotor regression with an onset before 30 months of age after a period of apparently normal development. Manifestations developing during the course of the disease are impaired feeding and swallowing due to pseudobulbar palsies, seizures, painful spasms, muscle weakness, ataxia, paralysis, dementia, and loss of speech, vision, and hearing, quickly resulting in complete loss of motor and cognitive skills, and decerebration. Death occurs within the first decade of life.

ORPHA:309256

Classification level: Subtype of disorder
  • Synonym(s):
    • Arylsulfatase A deficiency, late infantile form
    • MLD, late infantile form
  • Prevalence: Unknown
  • Inheritance: -
  • Age of onset: Infancy
  • ICD-10: E75.2
  • OMIM: -
  • UMLS: C0751278
  • MeSH: -
  • GARD: -
  • MedDRA: -

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