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Comparison of computed tomographic and magnetic resonance imaging in fracture healing after spinal injury
Spinal Cord, 06/18/09
Warwick R et al. – MRI correlates well with CT in identifying vertebral fracture union and non-union, suggesting routine use of MRI with CT reserved for problematic or inconclusive cases when imaging is indicated for assessment of vertebral body fracture healing.
Methods- Single-center, prospective (comparative cohort) clinical study of whether MRI can identify vertebral bone union
- Setting: major spinal injuries unit in United Kingdom
- CT and MRI at 12 wks post-injury, if conservatively managed, or 12 wks post-fixation
- CT as gold standard
- MRI scans reviewed blind to CT result
- Comparison of indicators for fracture healing
- Imaging of a total of 35 pts with 55 fractures
- Comparison of CT and MRI showed sensitivity of 88%, specificity of 100%, and positive predictive value of 100% for fracture union imaged with MRI using CT as gold standard
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