Benign multiple sclerosis: aspects of cognition and neuroimaging

Alyne Mendonça Marques Ton; Claudia Cristina Ferreira Vasconcelos; Regina Maria Papais Alvarenga

doi:10.1590/0004-282X20170043

Arquivos de Neuro-Psiquiatria, Inhaltsverzeichnis

CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2017; 75(06): 394-401
DOI: 10.1590/0004-282X20170043

VIEWS AND REVIEWS

Benign multiple sclerosis: aspects of cognition and neuroimaging

A esclerose múltipla benigna: aspectos cognitivos e de neuroimagem

Alyne Mendonça Marques Ton

¹Universidade Federal do Estado do Rio de Janeiro, Departamento de Neurologia, Rio de Janeiro RJ, Brasil.

,

Claudia Cristina Ferreira Vasconcelos

¹Universidade Federal do Estado do Rio de Janeiro, Departamento de Neurologia, Rio de Janeiro RJ, Brasil.

,

Regina Maria Papais Alvarenga

¹Universidade Federal do Estado do Rio de Janeiro, Departamento de Neurologia, Rio de Janeiro RJ, Brasil.

› Institutsangaben

Abstract

ABSTRACT

The existence of a benign multiple sclerosis (BMS) form is a controversial subject. Recent studies of these patients reveal different levels of cognitive impairment, despite the apparent preservation of motor function. The objective of this study was to review and analyze a number of publications that discuss the general aspects of this disease form, such as the definition criteria, prevalence, and clinical and neuroimaging markers. A systematic review of published data on BMS up to October 2015 was performed. Thirty-one published articles were analyzed. The estimated frequency of BMS varied between 6% and 73%. Cognitive impairment was recognized as affecting 17% to 47% of the subjects and presented significant correlation with neuroimaging, such as brain atrophy, increased lesion volume in T2 magnetic resonance assay, and regional grey matter atrophy. The current criteria overestimated the frequency of BMS and, for that reason, this highlights the importance of validating the diagnostic methods practiced.

RESUMO

A existência real de uma forma benigna da esclerose múltipla (EMB) é um tema controverso. Ampliar o número de publicações que abordam os aspectos gerais do subtipo da doença, tais como os critérios de definição utilizados, análise de prevalência e da presença de marcadores clínicos e de neuroimagem. Foi realizada uma revisão sistemática dos dados publicados até outubro de 2015, relativa à EMB. Os dados encontrados foram dicotomizados em gráficos e, posteriormente, analisados. Foram analisados 31 artigos publicados. A frequência estimada EMB oscila entre 6% a 73%. O comprometimento cognitivo foi reconhecido em 17–47% dos sujeitos, apresentando correlação significativa com os aspectos de neuroimagem, como a atrofia cerebral global, aumento do volume lesional em T2 e atrofia regional da substância cinzenta. Os critérios atualmente utilizados superestimam a freqüência de EMB, e, por essa razão, destaca-se a importância da validação dos métodos de diagnóstico praticados.

multiple sclerosis - cognition - neuroimaging

esclerose múltipla - cognição - neuroimagem

Volltext

Referenzen

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