Imaging study of tissue equivalence on Chinese anthropomorphic chest phantom

PENG Gang; et al

doi:10.13406/j.cnki.cyxb.2010.07.008

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Imaging study of tissue equivalence on Chinese anthropomorphic chest phantom

更新时间：2024-01-17

- Imaging study of tissue equivalence on Chinese anthropomorphic chest phantom
- Journal of Chongqing Medical University Vol. 35, Issue 7, Pages: 1060-1063(2010)
- 作者机构：
  
  重庆医科大学附属第一医院放射科
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2010.07.008
  CLC： R445
- Published：2010，
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[1]彭刚,曾勇明,赵峰,张志伟,刘志宏,金瑞,周旸.中国人仿真胸部体模组织等效性的影像学研究[J].重庆医科大学学报,2010,35(07):1060-1063.

PENG Gang, et al. Imaging study of tissue equivalence on Chinese anthropomorphic chest phantom. [J]. Journal of Chongqing Medical University 35(7):1060-1063(2010)
[1]彭刚,曾勇明,赵峰,张志伟,刘志宏,金瑞,周旸.中国人仿真胸部体模组织等效性的影像学研究[J].重庆医科大学学报,2010,35(07):1060-1063. DOI： 10.13406/j.cnki.cyxb.2010.07.008.

PENG Gang, et al. Imaging study of tissue equivalence on Chinese anthropomorphic chest phantom. [J]. Journal of Chongqing Medical University 35(7):1060-1063(2010) DOI： 10.13406/j.cnki.cyxb.2010.07.008.

摘要

目的:通过实验对中国人仿真胸部体模从CT断层解剖和组织X线衰减等效性两方面与正常成人作对比研究

评价其临床和科研价值。方法:以相同的技术参数分别对CDP-IC型中国人仿真胸部体模和正常成人行常规胸部CT扫描

根据CT横断面图像所反映的解剖结构判断两者的相似程度;根据对各组织器官CT值测量后分析体模组织的X线衰减等效程度。结果:在CT断层解剖方面

中国人仿真胸部体模与正常成人基本相似;在组织X线衰减等效性方面

体模与人体肺、心脏、脊柱CT值比较

差异无统计学意义（P>0.05）

体模肝脏与人体肝脏偏差程度最大

为4.49%。体模的组织器官CT值与人体组织器官偏差程度均小于5%

符合实验型体模标准。结论:中国人仿真胸部体模作为客观的评价工具

可以应用于CT低剂量技术的实验研究。

Abstract

Objective:To evaluate the clinical and research value ofanthropomorphic chest phantom from CT sectional anatomy and tissue equivalence of X-ray attenuation by comparing with normal adults.Methods:The Chinese anthropomorphic chest phantom(CDP-IC)and the normal adults were scanned with the same scanning parameters

according to the Sectional image and the CT value of the various tissues and organs to evaluate the Similarity of Anatomy and the tissue equivalence of X-ray attenuation respectively.Results:on anatomic morphology

the Chinese anthropomorphic chest phantom was basically similar to the normal adult;on tissue equivalence of X-ray attenuation

no significant difference of CT value were shown between the lung

heart and spine of phantom and human(P>0.05).The maximum deviation on the liver was 4.49%.The CT value error of each tissue and organ was less than 5%between phantom and human

which is reaching the standard of experiment.Conclusion:The Chinese anthropomorphic chest phantom can be used to study of low-dose CT based on objective evaluation criteria.

关键词

仿真胸部体模断层解剖CT值组织等效性

Keywords

Anthropomorphic chest phantomSectional AnatomyCTvalueTissue equivalence

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