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American Journal of Roentgenology, Vol 98, 672-674, Copyright © 1966 by American Roentgen Ray Society

POST-ANGIOGRAPHY ISOTOPE BRAIN SCANNING

POSITIVE OR NEGATIVE?

E. R. HEINZ M.D.1, J. R. BRYLSKI M.D.1, J. L. IZENSTARK M.D.1, and H. S. WEENS M.D.1

1 From the Department of Radiology, Emory University School of Medicine, Atlanta, Georgia

In the last several years there have been statements in the medical literature that brain scans may demonstrate variable increases in radioactivity following carotid arteriography. It is possible that some of these areas of increased radioactivity might be interpreted as "false positives."

Ten patients are reported in whom routine neurologic evaluation by scanning showed no evidence of abnormal radioactivity and cerebral arteriography followed by repeat brain scans with Hg197 likewise showed no evidence of abnormal radioactivity. In those patients in whom greater quantities of contrast material are given or in whom a technical artifact is created by a faulty arterial puncture, certainly, it is possible that cerebral injury with alterations of the blood brain barrier might be produced. However, in well performed, routine, cerebral arteriography, this is probably not a significant factor.


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Copyright © 1966 by the American Roentgen Ray Society.