Orphanet: Humero radio ulnar synostosis
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Humero-radio-ulnar synostosis

Disease definition

Humero-radio-ulnar synostosis is an extremely rare, genetic, congenital joint formation defect disorder characterized by uni- or bilateral fusion of the humerus, radius and ulnar bones, leading to loss of elbow motion and, in most, functional arm incapacity. It may appear as distal humeral bifurcation with absent elbow joint and shortened arm length on imaging. Hand abnormalities, namely oligoectrosyndactyly, may be associated.

ORPHA:3266

Classification level: Disorder
  • Synonym(s):
    • Humero-radio-ulnar fusion
  • Prevalence: <1 / 1 000 000
  • Inheritance: Unknown 
  • Age of onset: Antenatal, Neonatal
  • ICD-10: Q74.0
  • ICD-11: LB90.0
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: 2749
  • MedDRA: -

  A summary on this disease is available in Español (2018) Italiano (2018) Nederlands (2018) Polski ()

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

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