Transcranial sonography (TCS) of the brain parenchyma in patients with movement and other neurodegenerative disorders has developed with increasing dynamics during the past two decades. The specific advantages of TCS are the different visualization of brain structures compared to other neuroimaging methods due to the different physical imaging principle, high-resolution imaging of echogenic deep brain structures, on-time dynamic imaging with high resolution in time, relatively low costs of technical equipment, wide availability, short investigation time, noninvasivity, mobility and bedside availability, and little corruption by patients' movements. TCS proved sensitive and reliable in detecting disease-specific alterations of brainstem structures and basal ganglia in various movement disorders. Here, we give an overview on the technical requirements and recommendations on the standardized application of TCS of deep brain structures in movement disorders. We discuss methodological potentials and limitations of TCS, its validity, and future developments.

Department of Neurology Faculty of Medicine and Detristry Palacky University Olomouc Olomouc Czech Republic

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