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Okihiro syndrome

Disease definition

Okihiro syndrome is a syndrome of multiple congenital anomalies and is characterized by ocular manifestations (uni- or bilateral Duane anomaly (95% of cases), congenital optic nerve hypoplasia or optic disc coloboma), bilateral deafness and radial ray malformation that can include thenar hypoplasia and/or hypoplasia or aplasia of the thumbs; hypoplasia or aplasia of the radii; shortening and radial deviation of the forearms; triphalangeal thumbs; and duplication of the thumb (preaxial polydactyly).The phenotype overlaps with other SALL4>/i> related disorders including acro-renal-ocular syndrome and Holt-Oram syndrome (see these terms). Transmission is autosomal dominant.


  • Synonym(s):
    • Duane-radial ray syndrome
  • Prevalence: -
  • Inheritance: Autosomal dominant 
  • Age of onset: Neonatal
  • ICD-10: Q87.8
  • OMIM: 607323
  • UMLS: C1623209
  • MeSH: -
  • GARD: 9182
  • MedDRA: -

Detailed information


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