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摘要目的前瞻性评估第三代双源CT(DSCT)在不使用z轴滤波器情况下进行颞骨CT成像的辐射剂量和影像质量。方法 45例病人随机在第一代、二代及三代DSCT上采用
Abstract Objective To prospectively evaluate the radiation dose and image quality of the third-generation dual-source CT (DSCT) for temporal bone CT imaging without the use of z-axis filters. Methods Forty-five patients were randomly assigned to DSCT on the first, second and third generation