II. Indications

  1. First-line test in Osteomyelitis after a non-diagnostic Osteomyelitis XRay

III. Efficacy

  1. Best Test Sensitivity and Specificity for Osteomyelitis (except in region of surgical hardware)
    1. Only PET Scan has higher efficacy, but PET is very expensive
  2. Test Sensitivity: 78 to 99% (82-100% in Diabetic Foot Osteomyelitis)
  3. Test Specificity: 60 to 90% (75-96% in Diabetic Foot Osteomyelitis)
    1. False Positives with Osteoarthropathy and in regions of surgical hardware

IV. Protocol

  1. Perform with IV Contrast (preferred)

V. Advantages

  1. Defines infection boundaries including anatomic landmarks
  2. Best distinguishes soft tissue infection from Bone Infection
  3. Distinguishes Cellulitis from Osteomyelitis
  4. Can detect Osteomyelitis within 3-5 days of onset

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