Low myo-inositol indicating astrocytic damage in a case series of neuromyelitis optica.

Abstract:

:Astrocytic necrosis is a prominent pathological feature of neuromyelitis optica (NMO) lesions and is clinically relevant. We report 5 NMO-related cases, all with longitudinally extensive lesions in the upper cervical cord, who underwent cervical cord (1) H-magnetic resonance spectroscopy. Lower myo-inositol/creatine values, suggesting astrocytic damage, were consistently found within the NMO lesions when compared with healthy controls and patients with multiple sclerosis (MS), who showed at least 1 demyelinating lesion at the same cord level. Therefore, the in vivo quantification of myo-inositol may distinguish NMO from MS. This is an important step toward developing imaging markers for clinical trials in NMO.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Ciccarelli O,Thomas DL,De Vita E,Wheeler-Kingshott CA,Kachramanoglou C,Kapoor R,Leary S,Matthews L,Palace J,Chard D,Miller DH,Toosy AT,Thompson AJ

doi

10.1002/ana.23909

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

301-5

issue

2

eissn

0364-5134

issn

1531-8249

journal_volume

74

pub_type

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