Monteggia
Definition
Fracture / plastic malformation of proximal ulna with dislocation of radial head
Xray
Radio-capitellar line disrupted


Fracture / plastic malformation of proximal ulna with dislocation of radial head
Radio-capitellar line disrupted

Varies per age group
Trauma
- 60%
Non Accidental Injury
- 15 - 30%
- suspect if non walker / < 1 year
- walking status single best indicator of risk
- paediatric team to investigate
- history taking from parent
- consider metabolic investigations
Type I: Undisplaced avulsion fracture
Type II: Anterior portion displaced & hinged

Type IIIA: Displaced
Type IIIB: Displaced & Rotated