Correlation between eye lens doses and over apron doses in interventional procedures |
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| Institution: | 1. Medical Physics Laboratory, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy;2. Radiology and Diagnostic Imaging Department, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy;3. Department of Radiology, S. Andrea Hospital, Via Vittorio Veneto 197, 19124 La Spezia, Italy;4. Biostatistics-Scientific Direction, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy;5. Department of Otolaryngology & Head and Neck Surgery, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy;6. Department of Pathology, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy;1. Department of Radiation Oncology, Medical University Vienna, Austria;2. Division of Radiation Therapy, Department of Diagnostic and Therapeutic Radiology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;3. University of Applied Science Wiener, Neustadt, Austria;4. MedAustron Ion Therapy Center, Wiener Neustadt, Austria;1. Department of Medical Physics, Medical School, University of Crete, P.O. Box 2208, Heraklion 71003, Crete, Greece;2. Department of Cardiothoracic and Vascular Surgery, Vascular Surgery Unit, University Hospital of Heraklion, Medical School, University of Crete, Crete, Greece;3. Department of Radiology, Interventional Radiology Unit, University Hospital of Heraklion, Medical School, University of Crete, Crete, Greece;4. Department of Cardiothoracic and Vascular Surgery, Vascular Surgery Unit, University Hospital of Heraklion, Crete, Greece;5. Department of Medical Physics, University Hospital of Heraklion, Medical School, University of Crete, Crete, Greece;1. Cockcroft Institute, Warrington WA4 4AD, United Kingdom;2. University of Liverpool, Merseyside L69 3BX, United Kingdom;3. The Clatterbridge Cancer Centre NHS Foundation Trust, Wirral CH63 4JY, United Kingdom;4. University College London, University of London, London WC1E 6BT, United Kingdom;5. John Adams Institute at Royal Holloway, University of London, Egham TW20 0EX, United Kingdom;1. School of Science, RMIT University, Melbourne, Australia;2. The European Synchrotron Radiation Facility, ID17 Biomedical Beamline, Grenoble, France;3. Inserm UA7 STROBE, Grenoble Alps University, Grenoble, France;4. Swansea University Medical School, Singleton Park, Swansea, United Kingdom;5. Radiation Oncology, Alfred Hospital, Melbourne, Australia;6. School of Health and Biomedical Sciences, RMIT University, Melbourne, Australia;7. Physical Sciences, Peter MacCallum Cancer Centre, Melbourne, Australia;8. Australian Nuclear Science and Technology Organisation (ANSTO), Australian Synchrotron, Clayton, Australia;9. Department of Obstetrics and Gynaecology, University of Melbourne, Royal Women’s Hospital, Melbourne, Australia;10. Australian Radiation Protection and Nuclear Safety Agency (ARPANSA), Melbourne, Australia;11. Radiation Analytics, Brisbane, Australia;1. Nagoya University Graduate School of Medicine, 1-1-20, Daikominami, Higashi-ku, Nagoya, Japan;2. National Cancer Center Hospital East, Department of Radiological Technology, 6-5-1 Kashiwanoha, Kashiwa, Japan;3. National Institutes for Quantum and Radiological Science and Technology, Center for Advanced Radiation Emergency Medicine, Department of Radiation Measurement and Dose Assessment, 4-9-1 Anagawa, Inage-ku, Chiba, Japan;4. National Cancer Center Hospital East, Department of Medical Informatics, 6-5-1 Kashiwanoha, Kashiwa, Japan;5. Canon Medical Systems Corporation, 1385 Shimoishigami, Otawara, Tochigi, Japan |
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| Abstract: | Measurements of eye lens dose using over apron dosimeters with a geometric correction factor is an international accepted practice. However, further knowledge regarding geometric correction factors in different contexts is required. The authors studied the correlation between eye lens dose and over apron dosimetry for different medical specialties in eleven hospitals, using a standardized protocol, two independent over apron dosimeters (worn at chest and at neck levels) and a dedicated calibration procedure. The results show good correlation between subjects working on the same medical specialty for 5 specialties: Interventional Radiology, Vascular Surgery, Vascular Radiology, Hemodynamics and Neuroradiology. The geometric correction factors resulting from this study could be used to estimate eye lens dose using over apron dosimeters, which are more comfortable than eye lens dosimeters, as reported by the study subjects, as long as the increased uncertainty of the over apron dosimetry compared to the dedicated eye lens dosimetry is acceptable. |
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| Keywords: | Eye lens dosimetry Over apron dosimetry Interventional procedures |
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