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目的 掌握目前广东省各种医疗照射的应用频率与剂量水平 ,为制定放射卫生防护法规与标准等积累资料 ,以提高全省放射卫生监督监测和管理水平。方法 采用面上普查与典型调查相结合方式 ,全省统一开展调查、统一控制质量。结果 显示广东省X射线诊断、临床核医学和肿瘤放射治疗的基本情况 ;公众每年接受各种类型X射线诊断、临床核医学和肿瘤放射治疗的诊治频率 ;受检者与患者在各种医疗照射中受照射剂量水平。结论 广东省X射线诊断、临床核医学和肿瘤放射治疗的总应用频率分别为每千人口 2 2 4.80人次、1.3 9人次和 0 .3 3人次 ,X射线诊断和临床核医学应用频率高于全国平均水平 ,而肿瘤放射治疗则低于全国平均水平
Objective To grasp the current frequency and dose levels of various medical exposures in Guangdong Province, to accumulate data for the formulation of laws and standards on radiation health protection, and to improve the monitoring and management of radioactive health surveillance in the province. Methods Using a combination of general survey and typical survey, the province conducted a unified survey and unified control of quality. The results showed the basic situation of X-ray diagnosis, clinical nuclear medicine and tumor radiotherapy in Guangdong Province. The public received annual diagnosis and treatment frequency of various types of X-ray diagnosis, clinical nuclear medicine and tumor radiotherapy. The subjects and patients underwent various medical exposures In the exposure dose level. Conclusion The total frequency of application of X-ray diagnosis, clinical nuclear medicine and radiation therapy in Guangdong Province were respectively 2280 persons, 1.3 9 persons and 0.33 persons per thousand population. The frequency of X-ray diagnosis and clinical nuclear medicine application was higher than that of the whole country The average level, while the tumor radiotherapy is lower than the national average