Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Congenital radioulnar synostosis

Disease definition

Congenital radioulnar synostosis is a rare bone disorder that may be isolated or associated with other disorders and that is characterized by failure of segmentation of the radius and ulna during embryological development, causing limited rotational movements of the forearm, which may lead to difficulties with some activities of daily living.


  • Synonym(s):
    • Radioulnar fusion
  • Prevalence: Unknown
  • Inheritance: Unknown 
  • Age of onset: Infancy, Childhood
  • ICD-10: Q74.0
  • OMIM: 179300
  • UMLS: C0158761  C0431795
  • MeSH: -
  • GARD: 10876
  • MedDRA: -

Detailed information


Additional information

Further information 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.