Five‐year follow‐up study of hyperechogenicity of the substantia nigra in Parkinson's disease
Identifieur interne : 003634 ( Istex/Corpus ); précédent : 003633; suivant : 003635Five‐year follow‐up study of hyperechogenicity of the substantia nigra in Parkinson's disease
Auteurs : Daniela Berg ; Berthold Merz ; Karlheinz Reiners ; Markus Naumann ; Georg BeckerSource :
- Movement Disorders [ 0885-3185 ] ; 2005-03.
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Abstract
Using transcranial sonography, an area of hyperechogenicity at the substantia nigra (SN) may be detected as a typical marker in patients with Parkinson's disease (PD) as well as in approximately 9% of healthy subjects vulnerable to nigrostriatal impairment. In this longitudinal study, we provide evidence that the area of SN hyperechogenicity does not change in the course of PD. In conjunction with earlier findings in children and adolescents, this evidence indicates that, from late adolescence onward, this ultrasound finding is a trait marker for nigrostriatal vulnerability. © 2004 Movement Disorder Society
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DOI: 10.1002/mds.20311
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ISTEX:713284FCFD287168FFC5DE18071FF4ADC7ECB89DLe document en format XML
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In this longitudinal study, we provide evidence that the area of SN hyperechogenicity does not change in the course of PD. 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