II. Indications
- First-line test in Osteomyelitis after a non-diagnostic Osteomyelitis XRay
III. Efficacy
- Best Test Sensitivity and Specificity for Osteomyelitis (except in region of surgical hardware)
- Only PET Scan has higher efficacy, but PET is very expensive
- Test Sensitivity: 78 to 99% (82-100% in Diabetic Foot Osteomyelitis)
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Test Specificity: 60 to 90% (75-96% in Diabetic Foot Osteomyelitis)
- False Positives with Osteoarthropathy and in regions of surgical hardware
IV. Protocol
- Perform with IV Contrast (preferred)
V. Advantages
- Defines infection boundaries including anatomic landmarks
- Best distinguishes soft tissue infection from Bone Infection
- Distinguishes Cellulitis from Osteomyelitis
- Can detect Osteomyelitis within 3-5 days of onset
