chevron osteotomy

Distal Humerus Fractures

EpidemiologyDistal Humeral Fracture

 

2 groups

- young patient with high velocity injury

- older patient with comminuted, osteoporotic fracture

 

In the second group fixation can be very difficult

 

Anatomy

 

Hinged Joint

- trochlea axis is centre of rotation

- 40o anterior angulation in sagittal plane

Bunionette

Definition

 

Painful prominence of lateral eminence of 5th metatarsal head 

 

Coughlin Classification 

 

Type I deformity 

- prominent lateral condyle 5th metatarsal head

- lateral condylectomy

 

Type II deformity 

- lateral bowing of 5th metatarsal

- chevron osteotomy