Brighter spotty lesions on spinal MRI help differentiate AQP4 antibody-positive NMOSD from MOGAD

  • Jae Won Hyun
  • , Hye Lim Lee
  • , Jaehong Park
  • , Jiah Kim
  • , Ju Hong Min
  • , Byoung Joon Kim
  • , Seung Woo Kim
  • , Ha Young Shin
  • , So Young Huh
  • , Woojun Kim
  • , Ji Won Seo
  • , Ki Hoon Kim
  • , Su Hyun Kim
  • , Ho Jin Kim

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

In a large acute myelitis cohort, we aimed to determine whether brighter spotty lesions (BSLs)—using the refined terminology—on spinal magnetic resonance imaging (MRI) help distinguish aquaporin-4 antibody-positive neuromyelitis optica spectrum disorder (AQP4-NMOSD) from myelin oligodendrocyte glycoprotein antibody disease (MOGAD). An experienced neuro-radiologist and two neurologists independently analyzed 133 spinal MRI scans (65 from MOGAD and 68 from AQP4-NMOSD) acquired within 1 month of attacks. BSLs were observed in 18 of 61 (30%) participants with AQP4-NMOSD, while none of 49 participants with MOGAD showed BSL (p < 0.001). BSL during the acute phase would be useful to differentiate AQP4-NMOSD from MOGAD.

Original languageEnglish
Pages (from-to)989-992
Number of pages4
JournalMultiple Sclerosis
Volume28
Issue number6
DOIs
StatePublished - May 2022

Keywords

  • aquaporin-4
  • MRI
  • myelin oligodendrocyte glycoprotein
  • Neuromyelitis optica spectrum disorder
  • spinal cord

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