Table 4 Comparison between conventional MRI and MRN findings
From: The value of magnetic resonance neurography in evaluation of sciatic neuropathy
Findings | MRI | MRN | ||
|---|---|---|---|---|
Number of patients | Percent (%) | Number of patients | Percent (%) | |
Normal | 9 | 30 | 0 | 0 |
Nerve root impingement | 8 | 26.67 | 8 | 26.67 |
Increased nerve caliber | 7 | 23.33 | 7 | 23.33 |
Muscular atrophy | 4 | 13.33 | 4 | 13.33 |
Decrease nerve caliber | 4 | 13.3 | 4 | 13.3 |
Bone lesions (Mets and tumor) | 2 | 6.6 | 2 | 6.6 |
Spina bifida | 1 | 33.3 | 1 | 33.3 |
Increased nerve signal intensity | 0 | 0 | 16 | 53.3 |
Perineural edema | 0 | 0 | 15 | 50 |
Bone marrow edema | 0 | 0 | 9 | 30 |
Neural structure disruption | 0 | 0 | 8 | 26.67 |
Pseudo-meningocele | 0 | 0 | 4 | 13.3 |
Nerve root avulsion | 0 | 0 | 1 | 3.33 |