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X-linked intellectual disability-hypotonia-movement disorder syndrome

Disease definition

A rare, genetic, syndromic intellectual disability characterized by mild to severe intellectual disability associated with variable features, including hypotonia, dyskinesia, spasticity, wide-based gait, microcephaly, epilepsy and behavioral problems. MRI imaging may show a corpus callosum hypoplasia or ventricular enlargement. Other variable features, such as joint hyperlaxity, skin pigmentary abnormalities, and visual impairment, have also been reported.

ORPHA:457260

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked dominant 
  • Age of onset: Childhood, Adolescent
  • ICD-10: F78.8
  • ICD-11: LD90
  • OMIM: 300958
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Deutsch (2019) Español (2019) Français (2019) Italiano (2019) Nederlands (2019)

Detailed information

General public

Disease review articles

ERN : produced/endorsed by ERN(s)
FSMR : produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.