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目的：评价三种CT引导介入操作（组织活检、脓肿引流和类骨骨瘤凝固）时对病人和工作人员的照射，比较用常规CT扫描仪和荧光CT扫描仪对病人的剂量水平。方法：回顾分析用普通PhilipsLXCT扫描仪作常规CT引导介入操作的剂量资料，前瞻测量用新装备的PhilipsAV－E１荧光CT扫描仪作
PURPOSE: To evaluate the exposure of patients and staff to three CT-guided interventional procedures (biopsy, abscess drainage and osteosarcoma coagulation) and to compare patient-dose levels with conventional CT and fluorescence CT scanners. Methods: Retrospective analysis of conventional PhilipsLXCT scanner for routine CT-guided interventional dose data, prospective measurement with the newly equipped PhilipsAV-E1 fluorescence CT scanner for