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The role of transcranial doppler sonography in diagnostic neuroradiology (In french)

      This very informative article reviews the role of Doppler ultrasonography (DU) in the evaluation of the intracranial circulation. The conclusions are based on the experience of the authors and on the review of the literature. Discussed are the technical aspects, equipment, and modalities of examination. Illustrated are images obtained by DU in the evaluation of the intracranial arteries: the middle cerebral, the anterior cerebral, and the posterior cerebral arteries; the vertebral and basilar arteries; the carotid siphon and the ophthalmic artery. Reported also are the parameters followed in DU and the principles on which was based the interpretation of the images. In depth are discussed the indications of intracranial DU in the fetus, the newborn, and in childhood. Evaluated is DU in the demonstration of the intracranial vasculature in the adult in the presence of an intracranial arterial stenosis, in the study of the collateral circulation, of a cerebral vasospasm, of intracranial aneurysms, in the detection of cerebral emboli, and of arteriovenous malformations. Clear and demonstrative are the numerous illustrations. The literature is extensive and up to date (97 references).
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