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Alexander Disease: A Novel Mutation in the Glial Fibrillary Acidic Protein Gene With Initial Uncommon Clinical and Magnetic Resonance Imaging Findings

da Silva Pereira, Conceição Campanário MD,; Gattás, Gabriel Scarabôtolo MD; Lucato, Leandro Tavares MD, PhD

Journal of Computer Assisted Tomography: September/October 2013 - Volume 37 - Issue 5 - p 698–700
doi: 10.1097/RCT.0b013e31829f5a04

Alexander disease (AxD) is a rare neurodegenerative disorder related to mutations in the glial fibrillary acidic protein gene. We report the case of a child with disease onset at the age of 3 months and a novel mutation in the glial fibrillary acidic protein gene. Peculiar aspects were initially atypical clinical and magnetic resonance imaging (MRI) findings, which became typical during follow-up. The child was born after an uneventful pregnancy, presented initially only as a failure to thrive. The first MRI examination demonstrated obstructive hydrocephalus and cerebral white matter abnormalities (which were more prominent posteriorly). During follow-up, her clinical picture became typical of AxD with macrocephaly and neurodevelopmental delay. Sequential MRI examinations showed frontal white matter involvement, together with exuberant forniceal lesions and areas of contrast enhancement.

From the *Department of Child Neurology, and †Department of Radiology, Hospital Infantil Sabará, Sao Paulo, Brazil; and ‡Department of Radiology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Sao Paulo, Brazil.

Received for publication June 5, 2013; accepted June 6, 2013.

Reprints: Conceição Campanário da Silva Pereira, MD, Fundação Hospital Infantil Sabará–Centro de Pesquisa Avenida Angélica, 1987 – 17° andar, Higienópolis, São Paulo, SP, Brazil (e-mail:

The authors have no conflicts of interest to report.

Copyright © 2013 Wolters Kluwer Health, Inc. All rights reserved.