Congenital knee dislocation
Epidemiology
Rare
- 2:100 000
- 1/100 as common as DDH
- 1/3 bilateral
- F:M 2:1
Associations
45% DDH
30% CTEV
Larsen Syndrome
Down's Syndrome
Arthrogryposis
Aetiology
Unknown
Two Theories
1. Intra-uterine packaging defect