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NMOSD-like and longitudinal extensive HTLV1-associated myelitis are extremes that flank an overlooked continuum.

Mickael BonnanStéphane OlindoAissatou SignateQuentin LobjoisMaeva StephantDalia Dimitri BoulosPhilippe Cabre
Published in: Multiple sclerosis journal - experimental, translational and clinical (2021)
We propose that acute onset of NMOSD-like HAM could be more frequent than expected and should be evoked in high-risk patients. Extensive but often transient cord lesions could be the hallmark of an excessive inflammation of the funiculi targeted by HTLV1 infection. Although usually minor, a few HAM cases demonstrate specific MRI lesions, and the most severe cases may mimic NMOSD attacks.
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