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Autism spectrum disorder-epilepsy-arthrogryposis syndrome

Disease definition

A form of congenital disorders of N-linked glycosylation characterized by distal arthrogryposis (mild flexion contractures of the fingers, deviation of the distal phalanges, swan-neck deformity), retromicrognathia, general muscle hypotonia, delayed psychomotor development, autism spectrum disorder (speech delay, abnormal use of speech, difficulties in initiating, understanding and maintaining social interaction, limited non-verbal communication and repetitive behavior), seizures, microcephaly and mild to moderate intellectual disability that becomes apparent with age.

ORPHA:370943

Classification level: Disorder
  • Synonym(s):
    • SLC35A3-CDG
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q87.8
  • OMIM: 615553
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -
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