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Iranian Journal of Medical Physics، جلد ۱۸، شماره ۴، صفحات ۲۹۳-۲۹۹
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Suitability of Chambers in Relative Dose Measurement of Small Fields for Accelerated Photon Delivered by a Medical Linear Accelerator
چکیده انگلیسی مقاله Introduction: Using the small field in modern radiotherapy, the present study aimed at measuring the relative dosimetry (scattering factor, percentage depth dose (PDD), and profile of penumbra) with ionization (FC65-G, CC13, CC01) and diode (razor) chambers. Material and Methods: Applying TRS-398 in Varian Clinac™ IX-5982 for 6 MV photon beams, the conditions (pressure, temperature, direction, polarity) were kept the same for a set of field sizes (1 × 1, 2 × 2, 3 × 3, 4 × 4, 5 × 5, 7 × 7, and 10 × 10 cm2), and relative dosimetry was performed at the North-East Cancer Hospital, Sylhet, Bangladesh. Results: During the output factor measurement in small fields, the razor showed better results than CC13. Taking CC01 as a standard in small fields, the data obtained from the study showed a good agreement with those of the previously published works. Conclusion: Razor, with extremely small active volume, was very much suited for small field dosimetry, except for PDDs.
کلیدواژه‌های انگلیسی مقاله Clinical Protocols, Scattering Factors, Radiation Dosimetry, Linac
نویسندگان مقاله | Santunu Purohit
Department of Physics, University of Chittagong, Bangladesh


| AKM Moinul Haque Meaze
Department of Physics, University of Chittagong, Bangladesh


| SM Enamul Kabir
Department of Radiology, North East Cancer Hospital, Sylhet., Bangladesh


| Md. Shakilur Rahman
SSDL, Bangladesh Atomic Energy Commission, Savar, Bangladesh


| Md. Kawchar Ahmed Patwary
Department of Physics, Comilla University, Cumilla
نشانی اینترنتی https://ijmp.mums.ac.ir/article_15650.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Paper
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