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《CHINESE JOURNAL OF RADIOLOGY》 1999-07
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Preliminary study of cerebral tissue perfusion measurement by dynamic CT

ZHANG Hongmei, GAO Peiyi, HU Pingying. Department of Neuroradiology, Beijing Neurosurgical Institute, Beijing 100050  
Objective To evaluate the efficacy of dynamic computed tomography for quantifying cerebral tissue perfusion. Methods By applying a nuclear medicine data processing technique to the timedensity data obtained from dynamic CT, cerebral tissue perfusion was performed in 13 cases, 7 males and 6 females, ranging in age from 24 to 51 , and mean age 32 years old. The values were compared with those obtained by SPECT, which is the standard of reference. WT5HZResults Normal cerebral cortical perfusion was 59.396.8 mlmin-1100 g-1, with mean value of 76.2 mlmin-1100 g-1,and the SD was 10.40 mlmin-1100 g-1, normal white matter perfusion was 27.143.1 mlmin-1100 g-1,with mean value of 33.9 mlmin-1100 g-1,and the SD was 5.03 mlmin-1100 g-1. there was no obvious difference between the values of dynamic CT and SPECT. HZConclusions Dynamic CT provides quatitative information about cerebral blood flow and is an applicable method for tissue perfusion.
【Fund】: 1998年北京市卫生局科研基金
【CateGory Index】: R814.42
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