Lifetime Attributable Risk of Breast Cancer Incidence in Brain CT Scans
محل انتشار: مجله سرطان خاورمیانه، دوره: 15، شماره: 3
سال انتشار: 1403
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 19
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شناسه ملی سند علمی:
JR_MISJ-15-3_006
تاریخ نمایه سازی: 11 تیر 1403
چکیده مقاله:
Background: The breast, being a highly radiosensitive organ, is exposed to scattered radiation during brain computed tomography (CT) scans. This study aims to estimate the lifetime attributable risk (LAR) of female breast cancer resulting from brain CT scans. Method: ۹۰ women participated in this cross-sectional study. The LAR of breast cancer incidence was estimated based on health risks associated with exposure to low levels of ionizing radiation, as per the BEIR VII Phase ۲ guidelines. The absorbed dose to the breasts was measured using thermoluminescence dosimeters, and the effective dose was calculated from the dose length product. All brain CT scans were conducted using a ۱۶-slice scanner (SOMATOM EMOTION). Statistical analysis involved the Mann-Whitney test to compare the means of breast dose, effective dose, and LAR at a significance level of ۰.۰۵. Results: The mean age of the participants was ۴۰ ± ۲۲ years, with an age range of ۱۰ to ۸۳ years. The average dose to the breasts without and with shielding was ۰.۲۶ ± ۰.۱۹ mGy and ۰.۰۹۶ ± ۰.۱۳ mGy, respectively (P < ۰.۰۵). The effective dose was ۰.۸۵ ± ۰.۳۵ mSv without shielding and ۰.۷۹ ± ۰.۳۲ mSv with shielding (P = ۰.۵۳۹). The maximum LAR was ۵.۴۱ cases per ۱۰۰,۰۰۰ persons aged ۱۰-۱۵ years without shielding. The average LARs were ۱.۱۶ and ۰.۴۱ breast cancer incidences per ۱۰۰,۰۰۰ persons with and without shielding, respectively (P < ۰.۰۵). Conclusion: The LAR of breast cancer in brain CT scans is significant and should not be overlooked. The use of breast shielding can substantially reduce this risk. Therefore, it is recommended to employ radioprotective shields to cover the breasts during this type of scan.
کلیدواژه ها:
نویسندگان
Salman Jafari
Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
Abbas Alikarami
Department of Nuclear Physics, Bu-Ali Sina University, Hamadan, Iran
Kaveh Faraji
Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
Soheib Rezaie
Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
Karim Ghazikhanlou Sani
Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
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