Orthopedics Book


Posterior Talar Fracture

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

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