Orthopedics Book


Stress Fracture XRay

Aka: Stress Fracture XRay
  1. See Also
    1. Stress Fracture
    2. Stress Fracture CT
    3. Stress Fracture MRI
    4. Stress Fracture Bone Scan
  2. Epidemiology: Test Sensitivity
    1. Early exams: 15%
    2. After 3 weeks: 30-70%
  3. Advantages
    1. Low cost
    2. Universal availability
    3. Low radiation exposure
  4. Disadvantages
    1. Poor initial Test Sensitivity
  5. Signs
    1. Cortical Bone
      1. Faint intracortical radiolucent striations
      2. Endosteal or periosteal thickening or sclerosis
      3. True Fracture line ("Dreaded Black Line")
    2. Cancellous bone
      1. Difficult to detect
      2. Subtle blurring of landmarks
        1. Trabecular margins
        2. Sclerotic bands
  6. Course
    1. Weeks to months to reveal bone remodeling

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