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Axial Loading During Magnetic Resonance Imaging in Patients With Lumbar Spinal Canal Stenosis: Does It Reproduce the Positional Change of the Dural Sac Detected by Upright Myelography
Spine, 07/17/2012
Clinical Article
Kanno H et al. – The axial loaded MRI demonstrated a significant reduction in the dural sac size and significant correlations of the dural sac diameters with the upright myelogram. Furthermore, the axial loaded MRI had higher sensitivity and specificity than the conventional MRI for detecting the severe constriction observed in the myelogram. Therefore, the axial loaded MRI can be used to represent positional changes of the dural sac size detected by the upright myelography in patients with lumbar spinal canal stenosis (LSCS).
