Lateral process fractures

 

 

Talus Lateral Process FractureTalus Lateral Process Fracture CT

 

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

 

Lateral Process FractureTalus Lateral Process Fracture

 

CT

 

Talus Lateral Process Fracture CTLat process

 

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 

 

Lat processLat processLat process