Typically a fusion : takes 12 weeks to fuse at 2 levels but up to 6 months as long as you are not a smoker or hypothyroid which can impair bone fusions. A MRI is not a very good way to assess a fusion, a CT is optimal with 2 mm. Axial cuts for coronal and sagittal reconstructions .
Answered 6/28/2014
4k views
Not fused yet: It takes 3-4 months to fuse so no surprise. Check out Spine-health.com.
Answered 9/28/2016
3.7k views
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