查詢結果分析
來源資料
相關文獻
- 醫學影像輻射劑量之探討
- 核二廠集體有效劑量抑減策略--勿以善小而不為
- 獸醫用X光檢查儀造成之工作人員及協助人員輻射劑量與風險評估
- Using of Low-dose Radiation Protocols and Reduced Field of View to Reduce Radiation Dose in Image-guided Video-assisted Thoracoscopic Surgery
- A Maximum Likelihood Estimator and Fractal Analysis of Medical Images
- 心血管醫學影像之介紹及應用
- 在計數反應的生物檢定中以Trimmed Spearman-Karber法估計ED叙之研究--以殺蟲劑加保扶對南方根瘤線蟲麻痺作用為例
- 輻射省思
- 由法律觀點看輻射劑量問題
- 腦部手術用規劃及導引系統
頁籤選單縮合
題 名 | 醫學影像輻射劑量之探討=Investigation of the Radiation Dose for Medical Image |
---|---|
作 者 | 林吉祥; 姜繼宗; 廖學鍵; 張根嘉; 魏世民; 吳新華; 趙剛宏; | 書刊名 | 澄清醫護管理雜誌 |
卷 期 | 7:4 2011.10[民100.10] |
頁 次 | 頁44-52 |
分類號 | 414.93 |
關鍵詞 | 輻射劑量; 醫學影像; 有效劑量; Radiation dose; Medical imaging; Effective dose; |
語 文 | 中文(Chinese) |
中文摘要 | 本文目的是希望透過醫學影像中輻射劑量的介紹,提供民眾正確認識醫用輻射與輻射防護的觀念。首先以輻射特性與輻射生物效應來建構出輻射基礎的觀念,其次說明各種醫學影像的平均輻射劑量。透過醫療的角度認識輻射給人類帶來的益處以及可能產生的傷害。醫用輻射來源包含X光(如電腦斷層攝影及透視攝影)以及放射性物質示蹤劑。透視攝影包括侵入性檢查(如血管攝影)和其他傳統攝影如使用鋇劑腸道攝影。核子醫學檢查是將放射性示蹤劑注射進入人體,在體內進行衰變時放出加瑪射線後完成照影檢查。電腦斷層攝影、透視攝影、核子醫學檢查是一般大眾最主要接受輻射取得人體影像的醫學檢查。輻射對人體健康影響而言一次接受劑量需要超過250毫西弗(mSv)以上才有可能對身體產生影響,對於醫學影像輻射造成的劑量而言,醫學影像檢查其劑量並未達到250毫西弗(mSv),對於人體並沒有健康的影響。醫學影像所接受到的輻射劑量並不會對人體產生傷害,透過影像更可以知道身體健康資訊以及對於疾病治療的決策。臺灣地區民眾接受天然輻射年劑量為1.62毫西弗(mSv)。 |
英文摘要 | The purpose of this paper is to introduce the concept of radiation dose in medical imaging and to provide the public with correct information about medical radiation. Most ionizing radiation from medical imaging comes from X-rays such as computerized tomography and interventional radiology and from radioactive tracer material. Fluoroscopic procedures include angiography and traditional procedures such as barium enemas. Nuclear medicine procedures introduce a radioactive tracer into the body by intravenous injection. The tracer then emits gamma rays detected by a gamma camera. Computerized tomography, fluoroscopy, and nuclear medicine studies represent the vast majority of imaging-related radiation exposure for the general population in most developed country. When the human body receives an effective dose over 250 mSv, it could affect health. An effective dose from a medical imaging procedure that was not over 250 mSv would have no influence on the human body. As a point of reference, the annual effective dose from natural radiation was 1.62 mSv in Taiwan. Medical imaging procedures are safe and are important not only in acquiring information about human health but also in making decisions about the treatment of disease. |
本系統中英文摘要資訊取自各篇刊載內容。