Congenital kyphosis
Definition
Kyphosis due to congenitally anomalous vertebrae
- characterized by severe angular deformity
- prominent gibbus at the apex of the curve
Classification
Type I - Failure of formation
Failure formation anteriorly + preservation of posterior elements
- hemivertebrae / wedge vertebrae
- most common
- produces the worst deformity
- NHx is one of relentless progression