Presentation
This demyelination arises idiopathically following infections or vaccination, or due to multiple sclerosis. One major theory posits that immune-mediated inflammation is present as the result of exposure to a viral antigen.
The lesions are inflammatory, and involve the spinal cord typically on both sides. With acute transverse myelitis, the onset is sudden and progresses rapidly in hours and days. The lesions can be present anywhere in the spinal cord, though they are usually restricted to only a small portion.
Read more about this topic: Transverse Myelitis
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