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Iranian Journal of Medical Physics، جلد ۱۵، شماره Special Issue-۱۲th. Iranian Congress of Medical Physics، صفحات ۲۶۷-۲۶۷
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عنوان انگلیسی Determination of Diagnostic Reference Level in routine Computed radiography examination in north of Iran
چکیده انگلیسی مقاله Introduction: Digital radiography has a major role in nowadays healthcare system so radiation protection (justification and optimization) is important in this field. Many related organizations to protection suggested to establish national and regional diagnostic reference level for medical procedures. Reference levels are typically set at the 75th percentile of the dose distribution from a survey conducted across a broad user base using a special dose measurement protocol and phantom. This study aimed to establish diagnostic reference level for computed radiography examination in north of Iran. Materials and Methods: The data were collected from 7 public hospitals for 12 computed radiographies routine examination including: skull (AP-LAT), cervical (AP-LAT), chest (PA –LAT), thoracic (AP- LAT), lumbar(AP-LAT), abdomen(AP) and pelvis (AP). For each projection, 10 patients at least 18 years olds were investigated. The study was performed by filling out the questioner which was contained the following parameters: Center name, machine manufacturer, Type of Examination, Tube Voltage (kVp), Current Time Product (mAs) and Film Focus Distance (FFD). The quantity of entrance skin dose is evaluated by measuring ESD. The third quartile of ESD related to each projection was considered as DRL of that examination. Results: Based on the data of this study, we expected that diagnostic reference level of computed radiography examination in north of Iran is in accordance with standard values that were suggested by regulatory organizations such as American College of Radiology (ACR)and European Commission (EC). Conclusion: The comparison of the results of this survey with surveys performed in other countries will indicate the protection level of patients in computed radiography examination in north of Iran.
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نویسندگان مقاله | Roya Bordbar
Msc Student of Medical Physics Radiobiology and Radiation Protection Department, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran


| Ali shabestani Monfared
Professor of Medical Physics, Department of Medical Physics Radiobiology and Radiation Protection, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran


| Mohammad Reza Deevband
PHD of Medical Physics, Department of Medical Physics and Engineering, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran


| Fatemeh Niksirat
MSc of Medical Physics Radiobiology and Radiation Protection Department, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran


| Kourosh Ebrahimnejad Gorji
PHD of Medical Physics, Department of Medical Physics Radiobiology and Radiation Protection, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
نشانی اینترنتی http://ijmp.mums.ac.ir/article_12911.html
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