Abstract
Transcranial colour-coded real time sonography (TCCS) is a new, non-invasive diagnostic bedside procedure allowing two-dimensional imaging of cerebral parenchymatous structures and large intracranial arteries through the intact skull. So far we examined a population of 183 patients und 53 normal subjects, all above 18 years of age. 24 (10%) subjects were not suitable for examination. Two-dimensional imaging of telencephalic, diencephalic, mesencephalic and pontine structures is feasible. Intravascular blood flow phenomena may be analysed quantitatively by an integrated pulsed wave Doppler system. The diagnosis of arterial stenosis and occlusion could be established in 14 patients each by analysing the colour-coded B-mode image and Doppler frequency spectrum. TCCS may complement diagnostic tools in neurology and may improve standardisation of transcranial Doppler measurements.
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