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| Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on T2-weighted images). The axial view also nicely visualizes the neural foramina, posterior bony elements and paraspinal muscles. The axial view is the optimal view to visualize the disk herniations which are typically posterior lateral (as opposed to straight posterior) and any neural foraminal stenosis. |