Isolated humero-radial synostosis
ORPHA:3265· ICD-10 Q74.0
Definition
Humero-radial synostosis is a rare, genetic, congenital joint formation defect disorder characterized by uni- or bilateral fusion of the humerus and radius bones at the elbow level, with or without associated ulnar and carpal/metacarpal deficiency, leading to loss of elbow motion and, in many cases, functional arm incapacity. Bowing of radius may be additionally present.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal dominant, Autosomal recessive
- Age of onset
- Antenatal, Neonatal