ESTIMATION OF RADIATION RISK AND ESTABLISHMENT OF DIAGNOSTIC REFERENCE LEVELS FOR PATIENTS UNDERGOING COMPUTED TOMOGRAPHY CHEST-ABDOMEN-PELVIC EXAMINATIONS IN SUDAN

被引：9

作者：

Elnour, Abdel-Rahman ^{[1
]}

Barakat, Mustafa ^{[2
]}

Tamam, Nissren ^{[3
]}

Sulieman, Abdel-Moneim ^{[4
]}

Dinar, Hussien ^{[5
]}

Abuzaid, Mohamed M. ^{[6
]}

机构：

[1] Natl Ribat Univ, Radiol Sci Dept, POB 407, Khartoum 55, Sudan

[2] Sudan Univ Sci & Technol, Coll Med Radiol Sci, Diagnost Radiol Dept, POB 407, Khartoum, Sudan

[3] Princess Nourah Bint Abdulrahman Univ, Coll Sci, Phys Dept, POB 84428, Riyadh 11671, Saudi Arabia

[4] Prince Sattam Bin Abdulaziz Univ, Coll Appl Med Sci, Radiol & Med Imaging Dept, POB 422, Alkharj 11942, Saudi Arabia

[5] Natl Univ, Radiol & Med Imaging Coll, POB 3783, Khartoum, Sudan

[6] Univ Sharjah, Coll Hlth Sci, Med Diagnost Imaging Dept, POB 27272, Sharjah, U Arab Emirates

来源：

RADIATION PROTECTION DOSIMETRY | 2021年 / 196卷 / 1-2期

关键词：

CT EXAMINATIONS; EXPOSURE; ORGAN;

D O I：

10.1093/rpd/ncab136

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Establishment of diagnostic reference levels (DRLs) is an essential radiation optimization tool used to indicate optimum practice and radiation protection. This study aimed to report the current computed tomography (CT) of the chest-abdomen-pelvis radiation practice in Sudan as a part of the DRL establishment effort and dose optimization. CT radiation doses were collected from 530 patients of age ranging between 28 and 85 y and body weight ranging between 65 and 120 kg. DRLs were calculated based on the 75th percentile of dose length product (DLP) and CT dose index volume (CTDIvol). Effective and organ doses were calculated using the National Cancer Institute dosimetry system for the CT programme. The proposed DRLs are CTDIvol, 6 mGy, and DLP, 970 mGy.cm, and an effective dose of 9.9 mSv. Organ dose estimation showed that the thyroid received the highest dose during the scan.

引用

页码：104 / 109

页数：6

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