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Encounter MRI Requests N = 115 % of Total Brain 17 14.5% Brain + orbit 4 3.5% Brain + C-spine 9 7.8% Brain + orbit + C-spine 1 0.9% Brain + C- + T-spine 53 46.1% Brain + orbit + C- + T-spine 2 1.8% Brain + C- + T- + L-spine 21 18.3% Brain + orbit + C- + T- + L-spine 1 0.9% Orbit 1 0.9% C-spine 1 0.9% T- + C-spine 4 3.5% T- + C- + L-spine 1 0.9% Note:—C indicates cervical; T, thoracic; L, lumbar.
Demographics No. 115 Age (yr) 39 ± 12.1 Sex 98 Women, 17 men - Table 3:
Findings at MRI in patients diagnosed with an MS exacerbation or an alternative diagnosis
MRI Activity Only (with Enhancement or Diffusion Restriction)a MRI Activity + Progressive WM Lesions Progressive WM Lesions Only (without Enhancement or Diffusion Restriction)b MRI Negative for MS Change Total Final clinical diagnosis of MS exacerbation (No.) 15 27 1 5 48 Other final clinical diagnoses (No.) 0 1 12 54 67 Imaging Section Brain Cervical Spine Thoracic Lumbar Spine Orbit MRI activity 33 (31%) 13 (14%) 8 (10%) 0 (0%) 4 (44%) No MRI activity 75 (69%) 80 (86%) 74 (90%) 22 (100%) 5 (56%) Total 108 93 82 22 9 ↵a Percentages of column totals are in parentheses.
- Table 5:
Number of alternative diagnoses made for patients not diagnosed with an MS exacerbation in the study population
Diagnosis No final diagnosis: 23 Pseudoexacerbation: 18 Neuropathic pain: 5 Musculoskeletal: 5 Migraine: 2 Seizure: 2 Neuralgia: 3 Compressive myelopathy: 2 Arthralgia: 1 Tonsillitis: 1 Avascular necrosis: 1 C5 radiculopathy: 1 Postconcussive syndrome: 1 Stroke: 1 Acute manic bipolar disorder episode: 1 Brain Cervical Thoracic Lumbar Orbit Total scans (No.) 16 14 14 3 1 MRI activity (No.) 5 0 1 0 0 Progressive WM lesions (No.) 2 0 0 0 0
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