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摘要目的对比研究3D CT结肠成像(CTC)在标准剂量与低剂量X线扫描情况下,与噪声有关伪影的出现比率和病变显示情况。
Abstract Objective To comparatively study the appearance ratio of noise-related artifacts and lesions in 3D CT colonography (CTC) under standard and low-dose X-ray scans.