T2-low signal intensity in the cortex in multiple system atrophy

To determine the clinical significance of T2-low signal intensity in the cortex of patients presenting parkinsonism, T2-weighted magnetic resonance (MR) images of the cortex of patients with multiple system atrophy (MSA), Parkinson's disease (PD) and progressive supranuclear palsy (PSP), and co...

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Veröffentlicht in:Journal of the neurological sciences 2003-07, Vol.211 (1), p.85-88
Hauptverfasser: Miwa, Hideto, Kajimoto, Yoshinori, Nakanishi, Ichiro, Morita, Shuhei, Komoto, Junko, Kihira, Tameko, Kondo, Tomoyoshi
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Sprache:eng
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Zusammenfassung:To determine the clinical significance of T2-low signal intensity in the cortex of patients presenting parkinsonism, T2-weighted magnetic resonance (MR) images of the cortex of patients with multiple system atrophy (MSA), Parkinson's disease (PD) and progressive supranuclear palsy (PSP), and compared with those of patients with amyotrophic lateral sclerosis (ALS) and age-matched normal controls. The MR images were gathered and presented randomly to three neurologists who were blind to information on the patients. There was a significant increase in the frequency of T2-low signal intensity in the cortex of patients with ALS and MSA. Particularly in those with MSA, the T2-low signal intensity was observed not only in the motor cortex but also in the frontal association cortex. The cortical T2-low signal intensity in MSA might reflect the spread of degenerative processes in the cortex.
ISSN:0022-510X
1878-5883
DOI:10.1016/S0022-510X(03)00061-3