- Lateral Talar Dome Fracture (usually Trauma related)
- Foot inversion with ankle dorsiflexion
- Direct Trauma between talus and fibula
- Medial Talar Dome Fracture
- Foot inversion with ankle plantar flexion
- Direct Trauma between posteromedial talus and tibia
- Intense pain
- Inability to bear weight
- Lateral Talar Dome Fracture
- Tender anterior to lateral malleolus
- Medial Talar Dome Fracture
- Tender posterior to medial malleolus
-
Fracture may not appear for 2 to 4 weeks after injury
- Lateral Talar Dome Fracture
- Mortise view shows shallow wafer-shaped lesion
- Medial Talar Dome Fracture
- AP view shows deep cup shaped lesion
- Classification (Berndt and Harty)
- Stage I: Subchondral bone compression Fracture
- Stage II: Osteochondral Fracture fragment (partial)
- Stage III: Osteochondral Fracture fragment (detached)
- Stage IV: Osteochondral Fracture fragment (displaced)
- Reference
- Berndt (1959) J Bone Joint Surg Am 41:988-1020 [PubMed]
- Consult with orthopedics
- Non-weight bearing Short Leg Cast for 6 weeks
- Indicated for Stage I-II lateral Fracture
- Indicated for Stage I-III medial Fracture
- Surgical management
- Indicated for Stage III-IV lateral Fracture
- Indicated for Stage IV medial Fracture
- Avascular necrosis of the talus
-
Talus covered by cartilage with tenuous blood supply
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