Combined CT pulmonary angiography and venography for diagnosis of pulmonary embolism and deep vein thrombosis: Radiation dose

被引：69
|
作者：
Rademaker, J [1 ]
Griesshaber, V [1 ]
Hidajat, N [1 ]
Oestmann, JW [1 ]
Felix, R [1 ]
机构：
[1] Univ Klinikum Charite, D-13353 Berlin, Germany
来源：
JOURNAL OF THORACIC IMAGING | 2001年 / 16卷 / 04期
关键词：
computed tomography; embolism; pulmonary; deep vein thrombosis; organ dose; effective dose;
D O I：
10.1097/00005382-200110000-00011
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：
A major concern about combined pulmonary CT angiography (PCTA) and CT venography (CTV) refers to the additional radiation exposure to the patient. The purpose of this paper is to analyze the organ dose, the effective dose, and the gonadal dose of combined PCTA and CTV. Effective dose and gonadal dose in PCTA and CTV were calculated. Also measured was the organ doses with thermoluminescence dosimeters in six patients who underwent combined PCTA/CTV. The risk from the effective dose and gonadal dose in combined PCTA/CTV is low. Nevertheless, additional CTV increases the gonadal dose by a significant factor and use of this procedure should be limited in younger patients.
引用
收藏
页码：297 / 299
页数：3
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