Eponymous name
Snowboarder's fracture
Anatomy
Wedge shaped prominence
- most lateral aspect of talar body
- point of attachment of lateral talocalcaneal, cervical, bifurcate & ATFL
- fracture involves talofibular and STJ
Mechanism
Acute dorsiflexion & inversion of foot
- most are avulsion fracture
Clinical
Identical to lateral ankle sprain
X-ray
Best seen on mortise view
CT
Management
Depends on size and displacement
1. Large and non displaced - non operative
2. Large and displaced - ORIF
3. Comminuted / small - non operative, excise if problematic