1975 年 31 巻 2 号 p. 106-111
In 51 eases with cerebral vascular disease (CVD), dynamic study of radioisotope was done as screening using r-scintilation camera connecting minicomputor. Intraveneous bolus injection was performed 10〜15 mCi of ^<99m>TcO_4^-. CVD can be diagnosed early and easily from the following data. 1) demonstration of space occuping lesion. 2) difference between right and left area in clearance curve. 3) arm-to-head circulation time, mean transit time. 4) pattern of clearannce curve.