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Deafness-intellectual disability syndrome, Martin-Probst type

Disease definition

A rare X-linked syndromic intellectual disability characterized by congenital sensorineural hearing loss, varying degrees of intellectual disability, short stature, and dysmorphic facial features (such as telecanthus, epicanthic folds, broad nasal root, malar hypoplasia, low-set ears, dental anomalies, and micrognathia). Additional reported manifestations include microcephaly, renal and genitourinary abnormalities, widely spaced, hypoplastic nipples, and adult onset of progressive pancytopenia.

ORPHA:85321

Classification level: Disorder
  • Synonym(s):
    • Hearing loss-intellectual disability syndrome, Martin-Probst type
    • Martin-Probst syndrome
    • X-linked deafness-intellectual disability syndrome
    • X-linked hearing loss-intellectual disability syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q87.8
  • ICD-11: LD2H.Y
  • OMIM: 300519
  • UMLS: C1845285
  • MeSH: C564495
  • GARD: -
  • MedDRA: -
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