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Diffusion tensor imaging in sporadic and familial (D90A SOD1) forms of amyotrophic lateral sclerosis
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2009 (English)In: Archives of Neurology, ISSN 0003-9942, E-ISSN 1538-3687, Vol. 66, no 1, 109-115 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The basis of heterogeneity in the clinical presentation and rate of progression of amyotrophic lateral sclerosis (ALS) is poorly understood. OBJECTIVES: To use diffusion tensor imaging as a measure of axonal pathologic features in vivo in ALS and to compare a homogeneous form of familial ALS (homozygous D90A SOD1 [superoxide dismutase 1]) with sporadic ALS. DESIGN: Cross-sectional diffusion tensor imaging study. SETTING: Tertiary referral neurology clinic. PATIENTS: Twenty patients with sporadic ALS, 6 patients with homozygous D90A SOD1 ALS, and 21 healthy control subjects. MAIN OUTCOME MEASURE: Fractional anisotropy in cerebral white matter. RESULTS: Patients with homozygous D90A SOD1 ALS showed less extensive pathologic white matter in motor and extramotor pathways compared with patients with sporadic ALS, despite similar disease severity assessed clinically using a standard functional rating scale. Fractional anisotropy correlated with clinical measures of severity and upper motor neuron involvement. CONCLUSION: In vivo diffusion tensor imaging measures demonstrate differences in white matter degeneration between sporadic ALS and a unique familial form of the disease, indicating that genotype influences the distribution of cerebral pathologic features in ALS.

Place, publisher, year, edition, pages
American Medical Association , 2009. Vol. 66, no 1, 109-115 p.
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Neurology
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URN: urn:nbn:se:umu:diva-34683DOI: 10.1001/archneurol.2008.527PubMedID: 19139308OAI: oai:DiVA.org:umu-34683DiVA: diva2:323795
Available from: 2010-06-11 Created: 2010-06-11 Last updated: 2012-03-19Bibliographically approved

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Andersen, Peter M

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