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KMID : 0386119920280040559
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Journal of the Korean Radiological Society
1992 Volume.28 No. 4 p.559 ~ p.564
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Effects of Major Blood components on CT Number: An Experimental Study
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최순섭
최상희/양승오/이영일/한진영/김정만
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Abstract
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The study was undertaken to evaluate the effect of major blood components on the CT number. The CT numbers according to the various levels of hematocrit, total protein and cholesterol were checked and analysed by the dilution of pack cell, plasma
and
184 complete blood cell count samples under same scanning conditions.
In case of normal protein and cholesterol level(33 samples), the CT number was increased about 5.5 hounsfield unit according to 10% increase of hematocrit level: and In case of normal hematocrit and cholesterol level(39 samles), the CT number was
increased about 3.5 hounsfield unit according to 1gm% increase of protein level. CT number changes were not predictable according to the changes of cholesterol level(34 samples).
From these results, we concluded that major blood components should be considered in the CT number analysis of tissue.
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KEYWORD
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