3.0T MRIによる頸椎椎間孔部神経根の撮影

概要

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The symptoms of the cervical spondylosis are various because of the complexity of the relationship between the causative degeneration and the nerve root. One of these symptoms, severe pain, is caused by an impaired root in the intervertebral foramen and demands an accurate and rapid diagnosis. Clear imaging of the affected root in the vertebral foramen is difficult to obtain with conventional X-ray, CT scan, CT myelography and/or MRI. Accordingly, we have used 3.0T MRI for detecting the root in the intervertebral foramen since July 2007. The various imaging methods and assorted clinical cases are demonstrated and discussed. Methods: For our 3.0T MRI, an Achieva 3.0T (Philips, the Netherlands) was used. Sequences for imaging the nerve root were: Balanced Fast Field Echo (B. FFE), T2 multiple fast field echo (T2) and T2 turbo spin echo (T2 TSE). Each image can be further reconstructed for acquiring a more visible view. Results: Physical examinations, MRI views and surgical findings corresponded well with each other. Very small degenerations which compressed the nerve roots, could also be detected with the MRI. Conclusions: 3.0T MRI has definite diagnostic advantage. Operative indication and method, especially for minimally invasive surgery would be reconsidered with 3.0T MRI.
2008-12-01