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Iranian Journal of Medical Physics، جلد ۱۵، شماره Special Issue-۱۲th. Iranian Congress of Medical Physics، صفحات ۲۰۸-۲۰۸
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عنوان انگلیسی In vivo dosimetry of intraoral stent using TLD during external photon beam radiotherapy of oral cavity
چکیده انگلیسی مقاله Introduction: Individual oral stent is a mouth-opening device that used in head and neck cancer radiotherapy with the intention of decreasing radiation dose to health tissues. The aim of this study was to check the dose delivered to both the hard palate and tongue when patient uses the stent during radiotherapy of tongue carcinoma. Methods and materials: The intraoral stents were made for 10 patients and TLD-100 dosimeters were placed at superior and inferior parts of stent at the level of hard palate and tongue, respectively. Then patients treated with 3DCRT technique using 6MV photons, the data from the TLDs and treatment planning system calculations were analyzed. Results: The results showed that the mean (±standard deviation) relative difference between measured and calculated doses for tongue and hard palate was -4.41± 6.34, 0.57± 9.6 respectively. Conclusion: This study demonstrated the value of thermoluminescent dosimetry as a treatment verification method and its usefulness departmental quality assurance program.
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نویسندگان مقاله | Mina Hassani
Islamic Azad University, Science and Research Branch, Tehran


| Seied Rabi Mehdi Mahdavi
Radiation Biology Research Center, Department of Medical Physics, Iran University of Medical Sciences


| Ahmad Ameri
Department of Radiation Oncology, Shahid Beheshti University of Medical Sciences


| Soosan Mirmohammadrezaei
Tehran University of Medical Sciences Faculty of Dentistry


| Alireza Shirazi
Department of Medical Physics, Tehran University of Medical sciences


| Alireza Nikoofar
Department of radiation oncology, Iran University of Medical Sciences
نشانی اینترنتی http://ijmp.mums.ac.ir/article_12825.html
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