Transcranial sonography for diagnosis of Parkinson's disease |
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Authors: | Sabine Mehnert Iris Reuter Karsten Schepp Peter Maaser Erwin Stolz Manfred Kaps |
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Affiliation: | (1) Department of Neurology, Justus-Liebig University of Giessen, Giessen, Germany |
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Abstract: | Background In idiopathic Parkinson's disease (IPD) transcranial sonography (TCS) represents an alternative diagnostic method to verify clinical diagnosis. Although the phenomenon of an increased echogenicity of the Substantia nigra (SN) is well known this method is still not widly used in the diagnostic workup. Until now reliability of this method is still a matter of debate, partly because data only existed from a few laboratories using the same ultrasound machine. Therefore our study was conducted to test the reliability of this method by using a different ultrasound device and examining a large population of control and IPD subjects by two examiners to calculate interobserver reliability. |
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