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  3. Project/研究計畫(老師)
  4. 惡性神經膠瘤的立體根管定位及高劑量率近距 離放射治療術
 
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惡性神經膠瘤的立體根管定位及高劑量率近距 離放射治療術

  • Details
Project title
82學年度補助研究計畫
Acronym
專題研究計畫
Principal Investigator
李必忍
Status
research project
Start Date
May 1, 1993
End Date
May 31, 1995
Organizations
Chung Shan Medical University Hospital  
Project Web Site
https://www.grb.gov.tw/search/planDetail?id=75940
Keywords
多形神經膠母細胞瘤
臚外放射線治療
銥192高劑量率後荷放射線治療機
格雷
同位素導引管
治療導管
Description
針對此病,單獨引用傳統臚外放射線治療,療 效如此不好,主要原因乃是惡性腫瘤周邊之正 常腦組織所能承受之放射劑量有限,與抑制腦 瘤所需較高劑量相差很多所致.為改善以上缺 點,本研究藉用同位素銥192直接插入腫瘤內部, 從腫瘤內部直接發放高劑量伽傌(Gamma-ray, .gamma.)射線治療,殺傷同位素周邊的惡性腫瘤細 胞,而正常周圍組織卻少有傷害,其辦法是:由神 經外科醫師以一特殊的塑膠管植入腦瘤中心, 然後由放射腫瘤科醫師插入治療導管到預定位 置,並接上銥192高劑量率後荷放射線治療機,再 根據術前由電腦斷層攝影及電腦計算出的理想 劑量投與同位素.目前為止,本研究已有二個病 例,療效良好,並朝此目標前進.
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