介入放射学是近十几年来用于诊断和治疗的新方法，须在Ｘ线导视下才能完成，故病人在接受诊断和治疗的同时将接受一定剂量Ｘ线医疗照射，往往被人忽视。我们发现病人受照射剂量明显高于放射工作人员，现把监测结果报告如下。１　材料和方法自１９９５～１９９７年始对杭州市开 Interventional radiology is a new method used for diagnosis and treatment in the past ten years. It must be done under X-ray guidance. Therefore, patients who receive certain doses of X-ray medical treatment while being diagnosed and treated will often be neglected. We found that patients were exposed to radiation doses significantly higher than radiation workers, the monitoring results are reported as follows. 1 Materials and methods Since 1995 ~ 1997 on the city of Hangzhou