Size-specific dose estimates (SSDEs) for computed tomography and influencing factors on it: a systematic review

被引：13

作者：

Satharasinghe, D. M. ^{[1
,2
]}

Jeyasugiththan, J. ^{[1
]}

Wanninayake, W. M. N. M. B. ^{[2
]}

Pallewatte, A. S. ^{[3
]}

机构：

[1] Univ Colombo, Dept Nucl Sci, Colombo 03, Sri Lanka

[2] Horizon Campus, Malabe, Sri Lanka

[3] Natl Hosp Sri Lanka, Dept Radiol, Colombo, Sri Lanka

来源：

JOURNAL OF RADIOLOGICAL PROTECTION | 2021年 / 41卷 / 04期

关键词：

size-specific dose estimates; computed tomography; dose metrics; CT dose; SSDE; CTDI; RADIATION-EXPOSURE; CHEST;

D O I：

10.1088/1361-6498/ac20b0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The actual dose received during a computed tomography (CT) examination depends on both the patient size and the radiation output of the scanner. To represent the actual patient morphometry, a new radiation dose metric named size-specific dose estimates (SSDEs) was developed by the American Association of Physicists in Medicine in 2011. The purpose of this article is to review the SSDE concept and the factors influencing it. Moreover, the appropriate methodology of SSDE determination and the application of SSDE as a diagnostic reference-level quantity is critically analyzed based on the data available in the literature. It is expected that this review could potentially increase awareness among CT users of the effective utilization of SSDE as a tool to aid in the optimization of radiation dose in CT.

引用

页码：R108 / R124

页数：17

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