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September 1948


Author Affiliations


From the Departments of Neurosurgery and Pharmacology, University of Pennsylvania School of Medicine.

Arch NeurPsych. 1948;60(3):240-252. doi:10.1001/archneurpsyc.1948.02310030021002

SEVERAL recent suggestions1 for the quantitative determination of the cerebral blood flow in man make the dynamic anatomy of the cerebral circulation2 a necessary and timely study. Studies of the injected vascular beds in the cadaver have supplied information on the possible pathways of the cerebral circulation. In some important instances it is only by conjecture that conclusions have been drawn regarding the direction of flow, the sources of blood or the relative proportions in which the blood flows from these sources are combined. The present studies were performed on living man and therefore have the advantage of comprehending not only the anatomic pathways but also the dynamic circulatory patterns.

METHOD  Patients were selected for whom cerebral arteriographic studies were desirable in order that the possibility of a cerebrovascular lesion might be ruled out. Two of the 10 patients studied were found to have distinct pathologic lesions, and

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