Standard chest CT using combined automated tube potential selection and iterative reconstruction: image quality and radiation dose reduction

被引：2

作者：

Chae, In Hye ^{[1
]}

Kim, Yookyung ^{[1
]}

Lee, So Won ^{[1
]}

Park, Ji Eun ^{[1
]}

Shim, Sung Shine ^{[1
]}

Lee, Jin Hwa ^{[2
]}

机构：

[1] Ewha Womans Univ, Dept Radiol, Sch Med, Seoul 158710, South Korea

[2] Ewha Womans Univ, Div Pulmonol, Sch Med, Dept Internal Med, Seoul 158710, South Korea

来源：

CLINICAL IMAGING | 2014年 / 38卷 / 05期

关键词：

Computed tomography (CT); Radiation dose; Iterative reconstruction; Lung; COMPUTED-TOMOGRAPHY; EXPOSURE; ANGIOGRAPHY; ATTENUATION; PROTOCOL;

D O I：

10.1016/j.clinimag.2014.04.004

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：

Objective: To evaluate the image quality and radiation dose reduction of chest computed tomography (CT) using combined automated tube potential selection (ATPS) and iterative reconstruction (IR). Materials and Methods: Image quality and radiation dose were compared between conventional contrast-enhanced chest CT using 120 kVp and filtered back projection (Protocol A) and CT using ATPS and IR (Protocol B) in 43 patients. Results: The effective radiation dose was 3.6 +/- 0.4 mSv for Protocol A and 2.2 +/- 0.6 mSv for Protocol B (mean dose reduction, 39.7%). Protocol B showed diagnostic image quality in all patients. Conclusion: ATPS and IR allows for radiation dose reduction while maintaining diagnostic image quality. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：641 / 647

页数：7

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