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摘要目的评估胸腹部CT扫描中定位像方向对辐射剂量和影像质量的影响,联合应用自动管电压选择(ATVS)和自动管电流调节(ATCM)技术在定位像上制定扫描计划。
Abstract Objective To evaluate the influence of the orientation of radiographs on the radiation dose and image quality in thoracoabdominal and abdominal CT scans and to develop a scanning plan on the radiographs by using automatic tube voltage selection (ATVS) and automatic tube current conditioning (ATCM).