Spine MRI findings at initial presentation of myelopathy
| Mean time from symptom onset to first MRI (mo) | 6 (Range, 0–41) |
| Level of longitudinally extensive myelitis (No. of patients) (%) | Cervical: 3 (27%) |
| Thoracic: 5 (45%) | |
| Cervical and thoracic: 2 (18%) | |
| Entire spine: 1 (9%) | |
| Level of vertebral T1 hyperintensities (No. of patients) (%) | Cervical: 2 (18%) |
| Cervical and thoracic: 3 (27%) | |
| Thoracic: 1 (9%) | |
| Thoracic and lumbar: 1 (9%) | |
| Entire spine: 2 (18%) | |
| No changes: 2 (18%) | |
| Location of axial T2 changes (No. of patients) (%) | Central (>2/3): 4 (36%) |
| Central and posterior: 1 (9%) | |
| Entire cord: 5 (45%) | |
| Indeterminate: 1 (9%) | |
| Cord expansion (No. of patients) (%) | Present: 6 (54%) |
| Absent: 3 (27%) | |
| Indeterminate: 2 (18%) | |
| Contrast enhancement (No. of patients) (%) | Enhancement present: 5 (45%) |
| No enhancement: 5 (45%) | |
| Contrast not given: 1 (9%) |