Ankle
Posterior Talar Fracture
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Posterior Talar Fracture
, Posterior Talar Tubercle Fracture, Talar Fracture of Posterior Process
See Also
Talar Dome Fracture
Lateral Talar Process
Fracture
Osteochondritis Dissecans of Talus
Talus Fracture
Talar Dome Fracture
Lateral Talar Fracture
Foot Fracture
Calcaneus Fracture
Types
Medial tubercle of posterior talar process
Mechanism:
Ankle
dorsiflexion with pronation
Lateral tubercle of posterior talar process
Mechanism: Plantar flexion or forced inversion
Signs
Medial tubercle
Fracture
Tenderness to palpation posterior to medial malleolus
Signs
Lateral tubercle
Fracture
Tenderness anterior to achilles tendon at lateral ankle
Provocative maneuvers: Plantar flexion
Radiology
Ankle XRay
Lateral tubercle: Lateral XRay
Note that accessory ossicle is normal variant
Medial tubercle: Oblique
Ankle XRay
Hold foot in 40 degrees external rotation
Management
Non-weight bearing
Short Leg Cast
for 4 to 6 weeks
Indicated for small, non-displaced
Fracture
s
Surgical repair
Large or displaced
Fracture
s
References
Judd (2002) Am Fam Physician 66(5):785-94 [PubMed]
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