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KMID : 1151820110050060415
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Journal of the Korean Society of Radiology
2011 Volume.5 No. 6 p.415 ~ p.420
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The Measurement of Helper's Exposure Dose of nearby Radiographic Table in X-ray Examination
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Eun Sung-Jong
Kim Sung-Gil
Min Byung-Woon
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Abstract
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The purpose of this study is to know the exposure dose nearby table on the general radiography(skull AP, chest PA, abdomen AP, lumbar lateral, hip joint, knee joint) and to find the reducing it. We measured beside the 45㎝ and 75㎝ table center, and 70㎝, 80㎝, 130㎝, 150㎝ height from the bottom. That were measured highly from the radiography of lumbar lateral, abdomen AP and hip joint as followed 66.21㎲v, 34.22㎲v, and 32.35㎲v at the 80㎝ height beside 45㎝ from the center of table. Measured doses were reduced in order of chest PA, abdomen, hipjoint, skull, knee joint projection. It appears exposure dose of nearby radiographic table was extremely low amount compared with limit of dose(1mSv). If it protected by Pb apron, exposure dose of assisting person will not be exceed a limit of dose. Conclusively, Wearing apron is very important to avoid radiation from the general radiography.
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KEYWORD
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X-ray, Exposure dose, Lumbar lateral projection
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