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KMID : 0357520150380020089
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Journal of Radiological Science and Technology
2015 Volume.38 No. 2 p.89 ~ p.99
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Correlation Between High-Sensitive Collimator and Quantitave Analysis in Lung Ventilation SPECT
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Kim Jung-Soo
Kim Sang-Hyun
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Abstract
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This study investigated the correlation between the characteristics of collimator in accordance with the ef-ficiency of detecting photon signals and the quantitative analysis of the lung function, thereby assessing the possibility of clinically applying high sensitivity lung ventilation SPECT.
From March to May, 2014, 10 subjects in normal volunteers underwent an ultra high resolution, high resolution and high sensitivity collimator planar scan and SPECT. The experiment showed that compared with the collimator scan, the quantitative analysis results were significant (p=0.89), and compared to the high resolution collimator SPECT, the time was reduced by 4.9 fold.
Therefore, the lung ventilation SPECT that had not been used due to an undermined effectiveness can offer usefulness when clinically applied if a high sensitivity collimator is used since the quality and quan-tity of information and the duration of scan time all offer an improvement.
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KEYWORD
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Pulmonary embolism, ventilation, SPECT, collimator, quantitave analysis
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