Table 2.
Neuroradiological findings.
| Patients with CNS inflammatory event, n = 38 a | |
|---|---|
| MRI brain, n (%) | |
| Normal | 13/36 (36.1) |
| T2 hyperintense lesions | 22/36 (61.1) |
| Enhancing lesions | 10/27 (37.0) |
| T1 “black hole” lesions | 11/30 (36.7) |
| Cerebellar atrophy | 1/36 (2.8) |
| MRI spine, n (%) | |
| Normal | 8/35 (22.9) |
| T2 hyperintense lesions | 27/35 (77.1) |
| LETM | 2/27 (7.4) |
| Lesion of the conus medullaris | 3/27 (11.1) |
| Enhancing lesions | 9/26 (34.6) |
| Time of repeat MRI from symptom onset, median days (range) | 180 (39–405) |
| Repeat MRI, n (%) | |
| Improvement | 10/28 (35.7) |
| Stable | 9/28 (32.1) |
| Worsening | 9/28 (32.1) |
Abbreviations: CNS = central nervous system; MRI = magnetic resonance imaging; FLAIR = fluid-attenuated inversion recovery; LETM = longitudinally extensive transverse myelitis.
a
Imaging not available for all patients, with sample size shown for each variable based on available imaging.