Alexander Disease.

Abstract:

:Alexander disease is a leukodystrophy caused by dominant missense mutations in the gene encoding the glial fibrillary acidic protein. Individuals with this disorder often present with a typical neuroradiologic pattern including white matter abnormalities with brainstem involvement, selective contrast enhancement, and structural changes to the basal ganglia/thalamus. In rare cases, focal lesions have been seen and cause concern for primary malignancies. Here the authors present an infant initially diagnosed with a chiasmatic astrocytoma that was later identified as having glial fibrillary acidic protein mutation-confirmed Alexander disease. Pathologic and radiologic considerations that were helpful in arriving at the correct diagnosis are discussed.

journal_name

J Child Neurol

authors

Tavasoli A,Armangue T,Ho CY,Whitehead M,Bornhorst M,Rhee J,Hwang EI,Wells EM,Packer R,van der Knaap MS,Bugiani M,Vanderver A

doi

10.1177/0883073816673263

subject

Has Abstract

pub_date

2017-02-01 00:00:00

pages

184-187

issue

2

eissn

0883-0738

issn

1708-8283

journal_volume

32

pub_type

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