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Advanced MRI features in relapsing multiple sclerosis patients with and without CSF oligoclonal IgG bands.


ABSTRACT: Oligoclonal IgG bands (OCB) in cerebrospinal fluid (CSF) are important in diagnosis of multiple sclerosis (MS). We evaluated the MRI features of clinically definite MS subjects with and without CSF-OCB. Relapsing MS subjects were recruited from a prospective registry in a university center. CSF-OCB were detected using isoelectric focusing and lgG-specific immunofixation. MRI metrics including brain volumes, lesion volumes and microstructural measures, were analyzed by FMRIB Software Library (FSL) and Statistical Parametric Mapping (SPM). Seventy-five subjects with relapsing MS were analyzed. Forty-four (59%) subjects had an interval MRI at around 1 year. CSF-OCB were detected in 46 (61%) subjects. The OCB-positive group had a higher proportion of cerebellar lesions than the OCB-negative group (23.9% vs. 3.4%, p?=?0.057). Except for amygdala volumes which were lower in the OCB-positive group (p?=?0.034), other regional brain volumes including the subcortical deep gray matter and corpus callosum were similar. The two groups also showed comparable brain atrophy rate. For DTI, the OCB-positive group showed significantly higher mean diffusivity (MD) value in perilesional normal-appearing white matter (p?=?0.043). Relapsing MS patients with and without CSF-OCB shared similar MRI features regarding volumetric analyses and DTI microstructural integrity.

SUBMITTER: Zhao L 

PROVIDER: S-EPMC7426866 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Advanced MRI features in relapsing multiple sclerosis patients with and without CSF oligoclonal IgG bands.

Zhao Lin L   Abrigo Jill J   Chen Qianyun Q   Au Cheryl C   Ng Angel A   Fan Ping P   Mok Vincent V   Qiu Wei W   Kermode Allan G AG   Lau Alexander Y AY  

Scientific reports 20200813 1


Oligoclonal IgG bands (OCB) in cerebrospinal fluid (CSF) are important in diagnosis of multiple sclerosis (MS). We evaluated the MRI features of clinically definite MS subjects with and without CSF-OCB. Relapsing MS subjects were recruited from a prospective registry in a university center. CSF-OCB were detected using isoelectric focusing and lgG-specific immunofixation. MRI metrics including brain volumes, lesion volumes and microstructural measures, were analyzed by FMRIB Software Library (FSL  ...[more]

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