Radioulnar Synostosis ICD-10
- Q74.0: Other congenital malformations of upper limb(s), including shoulder girdle
Radioulnar Synostosis ICD-9
- 755.53 Radioulnar synostosis
Radioulnar Synostosis Etiology / Epidemiology / Natural History
- Occurs after fractures or surgical procedures about the elbow such as distal biceps tendon repair.
- More common after two-incision distal biceps repair than single incision repairs.
- Incident theoretically can be decreased by early range of motion after fracture, soft tissue injury or surgery.
- May also be congenital: see Congenital Radioulnar synostosis
Radioulnar Synostosis Anatomy
Radioulnar Synostosis Clinical Evaluation
Radioulnar Synostosis Xray / Diagnositc Tests
Radioulnar Synostosis Classification / Treatment
- Treatment: excision of the synostosis. Numerous materials have been proposed to interpose after resection of the synostosis including fat, muscle, fascia, and silicon.
- Radial osteotomy with wedge removal.
Radioulnar Synostosis Associated Injuries / Differential Diagnosis
Radioulnar Synostosis Complications
- Recurrence of synostosis
- Elbow stiffness
- Nerve/Vascular injury
Radioulnar Synostosis Follow-up Care
- Average 139º arc of forearm rotation after resection. 6% recurrence risk. (Jupiter JB,JBJS 1998;80A:248).
Radioulnar Synostosis Review References