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目的了解广东省腰椎正、侧位片受检者的受照剂量水平。方法按照全国X射线诊断医疗照射的剂量水平调查方案进行。结果得出正、侧位腰椎片受检者的平均受照剂量分别是7.34和12.40 mGy。腰椎正、侧位片受检者的受照剂量男性为5.37和14.37 mGy,女性为6.69和11.79 mGy,体胖、体中、体瘦者分别为5.68和14.93 mGy、6.41和12.22 mGy、5.91和11.67 mGy,在省、市、县、镇级医院检查时所受照剂量的结果分别是6.20、6.93、7.01和8.85mGy;12.56、12.17、11.76和13.21 mGy,受照剂量与不同性别、体型、医院级别关系不大。结论其均值基本代表广东省腰椎正、侧位片受检者的受照剂量水平。
Objective To understand the dose level of lumbar vertebrae and lateral radiographs in Guangdong Province. Methods According to the national X-ray diagnostic medical radiation dose level survey program. The results obtained positive and lateral lumbar disc subjects were the average doses were 7.34 and 12.40 mGy. The lumbar positive and lateral radiograph subjects received doses of 5.37 and 14.37 mGy for males and 6.69 and 11.79 mGy for females and 5.68 and 14.93 mGy for body fat and 6.43 and 12.22 mGy for body fat, 11.67 mGy. The results of the doses examined at provincial, municipal, county and township hospitals were 6.20, 6.93, 7.01 and 8.85 mGy, 12.56, 12.17, 11.76 and 13.21 mGy, respectively. Little relationship with the hospital level. Conclusions The mean represents the dose level of the lumbar vertebrae and lateral radiographs in Guangdong Province.