Definitions
Talar body fracture
- fracture line exits inferior surface behind lateral process
- into posterior facet
- intra-articular body fracture
Talar neck fracture
- fracture line exits inferior surface anterior to lateral process
- in front of sinus tarsi
- extra-articular neck fracture
Boyd & Knight classification
Coronal or sagittal
Horizontal
Epidemiology
13-20% of all talus fractures
Issues
Involves both AJ and posterior facet STJ
Prognosis
A. 50% develop post-traumatic arthritis
B. 25-100% AVN - usually patchy and so avoid collapse
Management
Undisplaced
- POP
Displaced
- ORIF
- either medial or lateral approach
- may need medial or lateral malleolar osteotomy
Nonunion
