|
1
|
Santos T, Ventura T, Lopes MDC. A review on radiochromic film dosimetry for dose verification in high energy photon beams. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2020.109217] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
|
2
|
Tanki N, Katsuda T, Gotanda R, Gotanda T, Imai S, Kawaji Y, Noguchi A, Kuwano T, Fujita H, Takeda Y. THE CONCEPT OF X-RAY CT DOSE EVALUATION METHOD USING RADIOCHROMIC FILM AND FILM-FOLDING PHANTOM. RADIATION PROTECTION DOSIMETRY 2021; 193:96-104. [PMID: 33786601 DOI: 10.1093/rpd/ncab033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/22/2020] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
In this paper, we propose a novel radiochromic film (RCF)-based computed tomography (CT) dosimetry method, which is different from the method based on CT dose index. RCF dosimetry using Gafchromic QA2 films was performed using two lengths of film-folding phantoms. The phantom was exposed to X-ray CT through a single scan, while the RCF was sandwiched between the phantoms. We analysed the dose profile curve in two directions to investigate the dose distribution. We observed a difference in the dose distribution as the phantom size changed. Our results contradict with the results of previous studies such as Monte Carlo simulation or direct measurement. The ability to visually evaluate 2D dose distributions is an advantage of RCF dosimetry over other methods. This research investigated the ability of 2D X-ray CT dose evaluation using RCF and film-folding phantom.
Collapse
Affiliation(s)
- Nobuyoshi Tanki
- Department of Radiological Technology, Graduate School of Health Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
- Brain Activity Imaging Center, ATR-Promotions Inc., 2-2-2 Hikaridai, Sorakugun Seika-cho, Kyoto 619-0288, Japan
| | - Toshizo Katsuda
- Department of Medical Radiation Sciences, Shizuoka College of Medicalcare Science, 2000 Hiraguchi, Hamakita-ku, Hamamatsu, 434-0041 Shizuoka, Japan
| | - Rumi Gotanda
- Department of Radiological Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, 701-0193 Okayama, Japan
| | - Tatsuhiro Gotanda
- Department of Radiological Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, 701-0193 Okayama, Japan
| | - Shinya Imai
- Department of Radiological Science, Faculty of Health Science, Morinomiya University of Medical Sciences, 1-26-16 Nankou-kita, Suminoe-ku, 559-8611 Osaka, Japan
| | - Yasuyuki Kawaji
- Department of Radiological Science, Faculty of Health Sciences, Junshin Gakuen University, 1-1-1 Chikushioka, Minami-ku, 815-8510 Fukuoka, Japan
| | - Atsushi Noguchi
- Aoi Hospital, Medical Incorporated Association Seishokai, 6-14-2 Aramaki, Itami, 664-0001 Hyogo, Japan
| | - Tadao Kuwano
- Osaka Center for Cancer and Cardiovasucular Disease Prevention, 1-6-107 Morinomiya, Joutou-ku, 536-8588 Osaka, Japan
| | - Hideki Fujita
- Department of Radiation Oncology, Osaka Saiseikai Nakatsu Hospital, 2-10-39 Shibata, Kita-ku 530-0012 Osaka, Japan
| | - Yoshihiro Takeda
- Department of Radiological Technology, Graduate School of Health Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| |
Collapse
|