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带状伪影是造成CT影像质量下降的一个重要原因。在MDCT冠状动脉成像中,由上腔静脉导入的起搏器所致的带状伪影会妨碍右冠状动脉节段的显示。在目前临床应
Band artifacts are a major cause of the deterioration in CT image quality. In MDCT coronary angiography, band artifacts caused by a pacemaker introduced into the superior vena cava hamper the display of the right coronary artery segment. In the current clinical should