Optic nerve double inversion recovery hypersignal in patients with clinically isolated syndrome is associated with asymptomatic gadolinium-enhanced lesion.

London, Frédéric;Zéphir, Hélène;Hadhoum, Nawal;Lannoy, Julien;Outteryck, Olivier;et.al.
(2018) Multiple sclerosis (Houndmills, Basingstoke, England) — Vol. 25, n° 14, p. 1888-1895 (2018)

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  • London, Frédéricorcid-logoUCLouvain
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  • Zéphir, Hélène
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  • Hadhoum, Nawal
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  • Lannoy, Julien
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  • Outteryck, Olivier
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Abstract
Optic nerve involvement is not considered in dissemination in space (DIS) or time (DIT) of multiple sclerosis (MS) lesions. To evaluate frequency of optic nerve involvement using three-dimensional (3D)-double inversion recovery (DIR) sequence in clinically isolated syndrome (CIS) and to measure its relationship with DIS and DIT (2010 and 2017 McDonald criteria). From November 2013 to August 2016, 57 CIS patients underwent 3T-magnetic resonance imaging (3T-MRI) including 3D-DIR sequence and optical coherence tomography (OCT) at 3 months after CIS. We assessed signal abnormalities of the optic nerves on DIR sequence and collected data for DIS and DIT criteria according to 2010 and 2017 McDonald criteria. Among the 57 recruited patients, the presence of ⩾1 DIR hypersignal in optic nerve was observed in 36 (63%; 48 optic nerves) including asymptomatic hypersignal in 22 (38.5%; 25 optic nerves). Optic nerve involvement was significantly associated with DIT ( p = 0.006) and MS according to 2010 criteria ( p = 0.01) but was not significantly associated with presence of DIS criteria according to 2010 and 2017 McDonald criteria. We identified a significant ( p < 0.001) temporal peripapillary retinal nerve fiber layer thinning on eyes with optic nerve involvement versus healthy controls. Optic nerve involvement is very frequent at the earliest clinical stage of MS. It is associated with the presence of asymptomatic gadolinium-enhancement and retinal axonal loss and may reflect the inflammatory disease activity level.
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London, F., Zéphir, H., Hadhoum, N., Lannoy, J., Vermersch, P., Pruvo, J.-P., Hodel, J., Leclerc, X., & Outteryck, O. (2018). Optic nerve double inversion recovery hypersignal in patients with clinically isolated syndrome is associated with asymptomatic gadolinium-enhanced lesion. Multiple sclerosis (Houndmills, Basingstoke, England), 25(14), 1888-1895. https://doi.org/10.1177/1352458518815797 (Original work published 2018)