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Anam, Choirul, Dewi, Winda Kusuma, Masdi, Masdi, Haryanto, Freddy, Fujibuchi, Toshioh, Dougherty, Geoff. (1400). Investigation of Eye Lens Dose Estimate based on AAPM Report 293 in Head Computed Tomography. سامانه مدیریت نشریات علمی, 11(5), 563-572. doi: 10.31661/jbpe.v0i0.2104-1304
Choirul Anam; Winda Kusuma Dewi; Masdi Masdi; Freddy Haryanto; Toshioh Fujibuchi; Geoff Dougherty. "Investigation of Eye Lens Dose Estimate based on AAPM Report 293 in Head Computed Tomography". سامانه مدیریت نشریات علمی, 11, 5, 1400, 563-572. doi: 10.31661/jbpe.v0i0.2104-1304
Anam, Choirul, Dewi, Winda Kusuma, Masdi, Masdi, Haryanto, Freddy, Fujibuchi, Toshioh, Dougherty, Geoff. (1400). 'Investigation of Eye Lens Dose Estimate based on AAPM Report 293 in Head Computed Tomography', سامانه مدیریت نشریات علمی, 11(5), pp. 563-572. doi: 10.31661/jbpe.v0i0.2104-1304
Anam, Choirul, Dewi, Winda Kusuma, Masdi, Masdi, Haryanto, Freddy, Fujibuchi, Toshioh, Dougherty, Geoff. Investigation of Eye Lens Dose Estimate based on AAPM Report 293 in Head Computed Tomography. سامانه مدیریت نشریات علمی, 1400; 11(5): 563-572. doi: 10.31661/jbpe.v0i0.2104-1304

Investigation of Eye Lens Dose Estimate based on AAPM Report 293 in Head Computed Tomography

Journal of Biomedical Physics and Engineering
مقاله 2، دوره 11، شماره 5، آذر و دی 2021، صفحه 563-572    اصل مقاله (957.51 K)
نوع مقاله: Original Research
شناسه دیجیتال (DOI): 10.31661/jbpe.v0i0.2104-1304
نویسندگان
Choirul Anam* 1؛ Winda Kusuma Dewi2؛ Masdi Masdi3؛ Freddy Haryanto4؛ Toshioh Fujibuchi5؛ Geoff Dougherty6
1PhD, Department of Physics, Faculty of Sciences and Mathematics, Diponegoro University, Jl. Prof. Soedarto SH, Semarang 50275, Central Java, Indonesia
2MSc, Department of Physics, Faculty of Sciences and Mathematics, Diponegoro University, Jl. Prof. Soedarto SH, Semarang 50275, Central Java, Indonesia
3BSc, Department of Radiology, Prof. Margono Hospital, Purwokerto, Indonesia
4PhD, Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia
5PhD, Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
6PhD, Department of Applied Physics and Medical Imaging, California State University Channel Islands, Camarillo, CA 93012, USA
چکیده
Background: Estimation of eye lens dose is important in head computed tomography (CT) examination since the eye lens is a sensitive organ to ionizing radiation.
Objective: The purpose of this study is to compare estimations of eye lens dose in head CT examinations using local size-specific dose estimate (SSDE) based on size-conversion factors of the American Association of Physicists in Medicine (AAPM) Report No. 293 with those based on size-conversion factors of the AAPM Report No. 220.
Material and Methods: This experimental study is conducted on a group of patients who had undergone nasopharyngeal CT examination. Due to the longitudinal (z-axis) dose fluctuation, the average global SSDE and average local SSDE (i.e. particular slices where the eyes are located) were investigated. All estimates were compared to the measurement results using thermo-luminescent dosimeters (TLDs). The estimated and measured doses were implemented for 14 patients undergoing nasopharyngeal CT examination.
Results: It was found that the percentage differences of the volume CT dose index (CTDIvol), average global SSDE based on AAPM No. 220 (SSDEo,g), average local SSDE based on AAPM No. 220 (SSDEo,l), average global SSDE based on AAPM No. 293 (SSDEn,g) and average local SSDE based on AAPM No. 293 (SSDEn,l) against the measured TLD doses were 22.5, 21.7, 15.0, 9.3, and 2.1%, respectively. All comparisons between dose estimates and TLD measurements gave p -values less than 0.001, except for SSDEn,l (p -value = 0.566).
Conclusion: SSDE based on AAPM Report No. 293 can be used to accurately estimate eye lens radiation doses by performing the calculations on a number of specific slices containing the eyes.
کلیدواژه‌ها
Radiation؛ Ionizing؛ X-Rays؛ Computed Tomography؛ Algorithms؛ Eye Lens Dose؛ Organ Dose؛ Size-Specific Dose Estimates
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