書誌事項
- タイトル別名
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- Measurement of Head and Neck Exposure in CT Guided IVR
- CT ガイド カ IVR ニ オケル ジュツシャ トウケイブ ヒバク ノ ソクテイ
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抄録
<p>In April 2011, the International Radiological Protection Committee recommended that “The equivalent dose of the crystalline lens should not exceed 20 mSv/year, averaged over defined periods of 5 years, with no single year exceeding 50 mSv”. Based on this recommendation, it is predicted that the equivalent dose limit of our crystalline lens can be lowered in the near future. Therefore, it is important to grasp the current situation of radiation exposure. The purpose of this study is to measure the crystalline lens of surgeons by focusing on the CT-fluoroscopy guided interventional radiology’s (IVRs). We also examined whether the exposure dose of the crystalline lens can be correctly evaluated by measuring the unequal exposure dose of the neck, which is usually used for the unequal exposure measurement. Results of the analysis of 200 CT-fluoroscopy guided IVR procedures showed that the unequal exposure dose of the neck was significantly correlated with the exposure dose of the crystalline lens which was measured near the left eye ball (R=0.83). However, the exposure dose of the crystalline was 33% lower than those of the neck. Therefore, although the individual dosimeter worn on the neck can be used as the useful index of the exposure dose of the crystalline lens, the results can be overestimated.</p>
収録刊行物
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- 日本放射線技術学会雑誌
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日本放射線技術学会雑誌 75 (7), 625-630, 2019
公益社団法人 日本放射線技術学会
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詳細情報 詳細情報について
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- CRID
- 1390564238106673024
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- NII論文ID
- 130007681557
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- NII書誌ID
- AN00197784
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- ISSN
- 18814883
- 03694305
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- NDL書誌ID
- 029910973
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- PubMed
- 31327772
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可