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KMID : 0357520080310030217
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Journal of Radiological Science and Technology
2008 Volume.31 No. 3 p.217 ~ p.222
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Radiation Exposure According to Radiation Technologist’ Working Departments
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Yoon Chul-Ho
Choi Jun-Gu
Yoon Surk-Hwan
Choi Jun-Gu
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Abstract
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Radiation dose to radiologists working at three hospitals in Seoul was investigated from Jan 1, 2006 to Dec. 31, 2006. The results are as follows. First, radiation dose to radiologists at a cardiac angiography room was measured as 1.41mSv, the highest while radiation dose to radiologists at a department of radiation oncology was measured as 0.64 mSv, the lowest. Second, radiation dose proves to be in direct proportion to the number of X-ray treatment. Third, as for the radiation dose in X-ray treatments, radiologists in cardiac angiography room are exposed to the largest amount of radiation while radiologists in diagnostic radiology department are exposed to the smallest amount of radiation. Last, radiation dose at a cardiac angiography room is the largest and is followed by nuclear medicine, diagnostic radiology, and radiation oncology departments in order. According to ICRP, exposure less than 20mSv per year is highly recommended while radiation dose is allowed as long as it is ranged less than 50mSv per year or 100mSv within a 5-year period. Taking into account the results, radiation exposure does not do any harm to radiologists at any related departments in Korean hospitals because the dose per year is less than 1.60mSv.
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KEYWORD
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Cardiac Angiography, Nuclear Medicine, Radiology, Radiation Oncology
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