研究生: |
蔡書汎 Tsai, Shu-Fan |
---|---|
論文名稱: |
使用電腦斷層影像建立台灣成年人之體素式假體 Building of the Taiwanese Adult Tomographic Computational Phantom |
指導教授: |
董傳中
Tung, Chuan-Jong 蔡惠予 Tsai, Hui-Yu |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 生醫工程與環境科學系 Department of Biomedical Engineering and Environmental Sciences |
論文出版年: | 2009 |
畢業學年度: | 97 |
語文別: | 中文 |
論文頁數: | 49 |
中文關鍵詞: | 體素式假體 |
相關次數: | 點閱:1 下載:0 |
分享至: |
查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
隨著電腦運算速度的進步,國際上常使用體素式假體進行蒙地卡羅模擬,評估人體在輻射防護、放射醫學的輻射劑量,有鑑於輻射防護越來越地區化,建立各國之體素式假體評估各國國民之輻射劑量為目前國際間熱門的趨勢。
本研究隨機選擇三十位符合台灣人平均身高體重且健康之受檢者,以其電腦斷層腹部影像分析器官體積、表面積、長短軸、平均弦長、解剖位置、解剖傾斜角度等器官特性,根據ICRP 101號報告中「具代表性的人」之觀念選擇出器官特色與平均結果接近之受檢者,作為具代表性的台灣成年人,以此人之電腦斷層影像進行台灣體素式假體(TW voxel phantom)之建立。
研究結果顯示,台灣人與亞洲參考人、ICRP參考人之器官質量有所差異,因此建立台灣國人之體素式假體為一重要且迫切之研究;以ICRP 101號報告中「具代表性的人」之觀念進行體素式假體建立,使得建立出之體素式假體有效代表國人的平均結果,並且降低選擇單一受檢者時受檢者個人器官特異性的偏差,肯定了以「具代表性的人」的觀念建立體素式假體時的合理性和可行性。
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