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- W1986942969 abstract "Background and purpose Movement artifact during lung CT can degrade image quality and, particularly in the case of computer aided diagnosis, make diagnosis inaccurate. In this study, diaphragmatic movement during full arrested inspiration in lung CT was evaluated to identify the optimum time after commencement of breath holding for image acquisition. Methods For analysis two lung areas were used in this study. These areas, on two images from different time periods after breath holding on the same slice, were evaluated in 47 patients. Results In approximately 74% of the patients 1 s after commencement of breath holding diaphragm motion was noted to be in the cranial direction. A comparison of the lung areas after 30 s and those after 1 s and 4 s showed significant differences. Those after 7 s showed no significant difference. Conclusions The results show that the lung base should be scanned at 7 s from the commencement of breath holding. Also, the lungs should also be scanned from the base to apex." @default.
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- W1986942969 date "2005-11-01" @default.
- W1986942969 modified "2023-09-27" @default.
- W1986942969 title "Analysis of breath holding for lung CT imaging" @default.
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- W1986942969 doi "https://doi.org/10.1016/j.radi.2004.12.010" @default.
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