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Radiological Risks From Potential Exposure of the Population to Radiation From Orphan Radioactive Sources

Tsilikis, Ioannis1; Pantos, Ioannis2; Zouliati, Ifigeneia3; Koutras, Antonios4; Kalinterakis, Georgios5; Syllaios, Athanasios6

doi: 10.1097/HP.0000000000001003
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People in their everyday lives are exposed to radiation. Natural radiation is emitted from space, subsoil, and various materials which contain radioactive materials. Humans are also exposed to radiation from medical and industrial applications that use radioactive sources with artificial radioactive materials. Such radioactive sources may nevertheless get out of the control system and become orphan sources. Because these radiation sources are usually contained within metal shields such as lead and iron, the shields can end up as scrap metal being used in the metallurgical industry as raw material. Incidents have been recorded around the world, and several are reported in the literature and described here, where orphan sources have caused direct radiation exposure and/or environmental and personal contamination when the sources leaked. Timely and prompt recognition of an orphan radioactive source or device is crucial in order to minimize the radiological risk and its implications for the general population.

1Department of Interventional Radiology and Neuroradiology-Interventional Cardiology, Euroclinic, Athens, Greece;

2Amalia Fleming General Hospital, Athens, Greece;

3Department of OR, Paidon-Agia Sofia Hospital, Athens, Greece;

4Department of Obstetrics and Gynecology, Laiko University Hospital of Athens, Athens, Greece;

5Department of Orthopedics, 401 General Military Hospital, Athens, Greece;

61st Department of Surgery, Laiko University Hospital of Athens, Athens, Greece.

The authors declare no conflicts of interest.

For correspondence contact Athanasios Syllaios, Lakonos 7, Athens 11527, Greece, or email at nh_reas@hotmail.com.

(Manuscript accepted 15 September 2018)

© 2019 by the Health Physics Society