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Insights into Imaging
Fig. 4. | Insights into Imaging

Fig. 4.

From: Identifying lumbosacral plexus nerve root abnormalities in patients with sciatica using 3T readout-segmented echo-planar diffusion weighted MR neurography

Fig. 4.

63-year-old man suffering from severe right leg pain and numbness. DWI-RESOLVE images a b = 50, b b = 500, c b = 800. The arrows on each of the b value images correlate to the right L5 nerve root. The nerve was evaluated by both readers on axial DWI-RESOLVE images as positive for abnormality (grade IV abnormal size and signal intensity). Sagittal T2W TSE (d) of the lumbar spine demonstrates no significant disc herniation or other potential cause for symptoms. The color-mapped image e demonstrates the asymmetry of the right L5 nerve. Long arrows indicate abnormal right L5 nerve and short arrow indicates normal contralateral left L5 nerve

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