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目的比较制造商提供标准程序的锥形束CT(CBCT)与多层螺旋CT(MDCT)的辐射剂量。方法采用剂量模型评价CT扫描时头部及腹部辐射剂量。将热释光剂量测
Objective To compare the manufacturer’s radiation dose with cone beam CT (CBCT) and multi-slice spiral CT (MDCT) to provide standard procedures. Methods The dose model was used to evaluate the radiation dose of head and abdomen in CT scan. The thermoluminescence dose measured