Orthopedics Book



Joint dislocation


Tibial Spine Avulsion Fracture

Aka: Tibial Spine Avulsion Fracture, Tibial Eminence Fracture
  1. Epidemiology
    1. Ages 8-14 years old (skeletally immature)
    2. Typically occurs in bike and Downhill Skiing
  2. Mechanism
    1. Rare avulsion Fractures involving the ACL or PCL insertions
  3. Imaging
    1. Knee XRay
      1. Tibial Spine Avulsion Fracture typically seen on plain xray AP view
    2. MRI Knee
      1. Confirms avulsion Fracture
      2. Identifies associated injuries (e.g. ACL Tear, PCL Tear)
  4. Management
    1. Knee Immobilizer
    2. Non-weight bearing
    3. Semi-urgent orthopedic Consultation
      1. Most will require surgical repair
  5. References
    1. Dolbec (2019) Crit Dec Emerg Med 33(1): 17-25
    2. Anderson (2011) Clin Sports Med 30(4):727-42 +PMID:22018313 [PubMed]

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