Establishment of diagnostic reference levels for dental cone beam computed tomography in Tabriz, Iran.

IF 0.7 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Sina Mardfar, Mona Fazel Ghaziyani, Arman Saeedi Vahdat, Davood Khezerloo
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引用次数: 0

Abstract

Objectives: Cone beam computed tomography (CBCT) scans, essential for medical imaging, expose patients to radiation. To ensure safety, this study aimed to establish typical diagnostic reference levels (DRLs) and estimate median organ doses and cancer risks associated with CBCT scans in the Tabriz region, Iran.

Results: Patient data from 196 individuals undergoing common CBCT procedures were collected. Effective and organ doses were estimated using VirtualDoseCT software. Lifetime attributable risk of cancer incidence was estimated using BEIR VII report. DRL values were established based on gender and indication. Indication based values were 341 mGy.cm2 for implants, 387 mGy.cm2 for lesions, and 342 mGy.cm2 for sinus scans. Effective doses (EDs) were analyzed, yielding values of 30 μSv for males and 20 μSv for females. Organ doses analysis revealed that salivary glands received the highest dose, while thymus had the lowest in both genders. Lifetime attributable risk of cancer incidence was evaluated and found to be 0.0027 in 100 000 for male patients and 0.0084 in 100 000 for female patients.

Conclusions: The study highlights the importance of minimizing radiation exposure in CBCT examinations to reduce the risk of cancer and heritable effects. Tailored scan protocols and optimization measures can enhance patient safety by lowering doses. The results offer valuable guidance for dental and maxillofacial imaging practices on radiation doses and DRLs in CBCT examinations.

在伊朗大不里士建立牙科锥束计算机断层扫描诊断参考水平。
目的:锥形束计算机断层扫描(CBCT)对医学成像至关重要,使患者暴露于辐射中。为了确保安全性,本研究旨在建立典型诊断参考水平(drl),并估计伊朗大不里士地区CBCT扫描相关的中位器官剂量和癌症风险。结果:收集了196例接受普通CBCT手术的患者数据。使用VirtualDoseCT软件估计有效剂量和器官剂量。使用BEIR VII报告估计癌症发病率的终生归因风险。根据性别和指征确定DRL值。适应症值为341 mGy。植入物为cm2, 387mgy。病变cm2, 342 mGy。Cm2为鼻窦扫描。测定有效剂量(EDs),雄性为30 μSv,雌性为20 μSv。器官剂量分析显示,在两性中,唾液腺接受的剂量最高,而胸腺的剂量最低。对癌症发病率的终生归因风险进行了评估,发现男性患者为10万分之0.0027,女性患者为10万分之0.0084。结论:该研究强调了在CBCT检查中尽量减少辐射暴露以降低癌症风险和遗传影响的重要性。量身定制的扫描方案和优化措施可以通过降低剂量来提高患者的安全性。结果对CBCT检查中辐射剂量和drl的临床应用有一定的指导意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Radiation protection dosimetry
Radiation protection dosimetry 环境科学-公共卫生、环境卫生与职业卫生
CiteScore
1.40
自引率
10.00%
发文量
223
审稿时长
6-12 weeks
期刊介绍: Radiation Protection Dosimetry covers all aspects of personal and environmental dosimetry and monitoring, for both ionising and non-ionising radiations. This includes biological aspects, physical concepts, biophysical dosimetry, external and internal personal dosimetry and monitoring, environmental and workplace monitoring, accident dosimetry, and dosimetry related to the protection of patients. Particular emphasis is placed on papers covering the fundamentals of dosimetry; units, radiation quantities and conversion factors. Papers covering archaeological dating are included only if the fundamental measurement method or technique, such as thermoluminescence, has direct application to personal dosimetry measurements. Papers covering the dosimetric aspects of radon or other naturally occurring radioactive materials and low level radiation are included. Animal experiments and ecological sample measurements are not included unless there is a significant relevant content reason.
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