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The clinical spectrum of late-onset Alexander disease: a systematic literature review.
MedLine Citation:
PMID:  20721574     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Following the discovery of glial fibrillary acidic protein (GFAP) mutations as the causative factor of Alexander disease (AxD), new case reports have recently increased, prompting a more detailed comprehension of the clinical features of the three disease subtypes (infantile, juvenile and adult). While the clinical pattern of the infantile form has been substantially confirmed, the late-onset subtypes (i.e., juvenile and adult), once considered rare manifestations of AxD, have displayed a wider clinical spectrum. Our aim was to evaluate the clinical phenotype of the adult and juvenile forms by reviewing the previously reported cases. Data were collected from previously published reports on 112 subjects affected by neuropathologically or genetically proven adult and juvenile Alexander disease. Although the late-onset forms of AxD show a wide clinical variability, a common pattern emerges from comparing previously reported cases, characterized by pseudo-bulbar signs, ataxia, and spasticity, associated with atrophy of the medulla and upper cervical cord on neuroimaging. Late-onset AxD cases can no longer be considered as rare manifestations of the disease. The clinical pattern usually reflects the topographic localization of the lesions, with adult cases displaying a predominant infratentorial localization of the lesions. Juvenile cases show clinical and radiological features which are intermediate between adult and infantile forms.
Authors:
Pietro Balbi; Silvana Salvini; Cira Fundarò; Giuseppe Frazzitta; Roberto Maestri; Dibo Mosah; Carla Uggetti; GianPietro Sechi
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Publication Detail:
Type:  Journal Article     Date:  2010-08-20
Journal Detail:
Title:  Journal of neurology     Volume:  257     ISSN:  1432-1459     ISO Abbreviation:  J. Neurol.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0423161     Medline TA:  J Neurol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1955-62     Citation Subset:  IM    
Affiliation:
Clinical Neurophysiology, Scientific Institute of Montescano IRCCS Fondazione S. Maugeri, via per Montescano, 27040, Montescano, PV, Italy. piero.balbi@fsm.it
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