Five-year follow-up study of hyperechoge
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Daniela Berg; Berthold Merz; Karlheinz Reiners; Markus Naumann; Georg Becker
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Article
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2005
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John Wiley and Sons
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English
⚖ 143 KB
👁 1 views
## 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, w