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Most physicians are familiar with "brain scans," the print-out of the radioactivity detected from intravenous injection of technetium pertechnetate. These scans are being superseded by the current diagnostic darling, computerized axial tomography (CAT or CT scans). Dynamic scanning or radionuclide angiography refers to study of the radioactivity as the injected substance passes through the cerebral circulation. In most hospitals, this is restricted to frontal views of the flow in the cervical and intracranial carotid arterial systems (and the great draining veins). DeLand points out the value of sequential pictures taken in the vertex view, which he considers the best way to evaluate cerebral blood flow in a noninvasive manner. His book presents pictures of such sequential flow in normal persons, after extensive preliminary exposition of embryology, normal anatomy, collateral circulation, and topographic vascular anatomy.
The final two thirds of the book is made up of case histories of patients with
Sugar O. Cerebral Radionuclide Angiography. JAMA. 1977;237(19):2125–2126. doi:10.1001/jama.1977.03270460115037
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