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.

引用

页码：19 / 22

页数：4

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