螺旋CT扫描下新生儿性腺辐射防护干预的研究  

Spiral CT Scanning Neonatal Gonadal Radiation Protection Intervention Under Study

作　　者：李杰[1] 陶可伟[1] 靳激扬[2] 郭小利[1] 徐中华[1] 

机构地区：[1]南京医科大学附属常州妇幼保健院医学影像科,江苏常州213003 [2]东南大学附属中大医院医学影像科

出　　处：《中国辐射卫生》2014年第4期332-334,共3页Chinese Journal of Radiological Health

摘　　要：目的用光致光测量技术检测头颅CT扫描下新生儿性腺防护衣内外辐射值以及防护器具对性腺的防护作用。方法在CT扫描时,将光致光测量芯片贴于防护器衣内外,分别测量其辐射剂量值,并进行内外对照。结果防护衣外剂量值为0.115 mGy,防护衣内剂量值为0.041 mGy。内外对照,新生儿性腺部位辐射剂量减低64%,经统计分析,辐射剂量值差异有统计学意义(P<0.05)。结论新生儿性腺部位不接受辅助防护的CT辐射剂量值有可能导致发生学的异常,辅助防护器具在相同条件下可以有效降低辐射剂量值。Objective To measure, with light - induced opitieal measuring teehique, the interal and external radiation valcces to detect the protective effect of neonatal gonatal protection and the protective equipment under CT head scan. Methods With the photoluminescence measurements chip affixed to the inside and outside of neonatal gonadal protective equipment, radiation dose values were measured when CT scaing and the internal and external were compaired. Results The neonatal gonadal dose value of the unprotected parts is 0.115 mGy while the protective dose value of the protected pare is 0.041 mGy. Internal and external comparence shows 64% of the neonatal gonadal radiation dose was reduced when using the auxiliary protection, radiation dose was significant different （P 〈 0.05）. Conclusion Neonatal gonadal site the values of the auxiliary CT radiation dose of the neonatal gonadal site may cause abnormal protection, The auxiliary protective device can effectively reduce the radiation dose values under the same condition.

关 键 词：头颅CT扫描 新生儿性腺辐射剂量值 辐射防护干预 光致光测量技术 

分 类 号：R814.42[医药卫生—影像医学与核医学]