RADIATION-DOSE TO THE LENS FROM COMPUTED-TOMOGRAPHY SCANNING IN A NEURORADIOLOGY DEPARTMENT

被引：33
作者：
MACLENNAN, AC [1 ]
HADLEY, DM [1 ]
机构：
[1] SO GEN HOSP NHS TRUST,INST NEUROL SCI,DEPT NEURORADIOL,GLASGOW G51 4TF,LANARK,SCOTLAND
来源：
BRITISH JOURNAL OF RADIOLOGY | 1995年 / 68卷 / 805期
关键词：
D O I：
10.1259/0007-1285-68-805-19
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The radiation dose to the lens was measured by thermoluminescent dosimetry on 194 patients undergoing routine head and neck computed tomography scanning in a neuroradiology department. The results are lower than previously reported: brain scans, mean value 5.1 mGy; orbital scans, mean value 18.5 mGy; and direct coronal pituitary scans, mean value 1.9 mGy. These lower values in axial brain scans are due to use of the supraorbital meatal baseline for radiographic positioning.
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页码：19 / 22
页数：4
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