Orphanet: Otopalatodigital syndrome

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Otopalatodigital syndrome

Disease definition

Otopalatodigital (OPD) syndrome is a form of frontootopalatodigital syndrome (see this term), characterized by deafness, cleft palate, and characteristic digital anomalies. OPD syndrome is divided into two forms based on severity: the milder form designated OPD type 1 (OPD1), and the more severe and often lethal form designated OPD type 2 (OPD2; see these terms). OPD is an X-linked disorder. Two other genetic disorders with features overlapping OPD, frontometaphyseal dysplasia (FMD) and osteodysplasty, Melnick-Needles type (MNS) have been described; thus OPD1, OPD2, FMD, and MNS are allelic disorders.


  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked dominant 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q87.0
  • OMIM: 304120  311300
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


Additional information

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