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題名:THE IMPACT OF PRONE POSITION WITH BELLY-BOARD DEVICE ON THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY OF PROSTATE CANCER: DECREASING THE RECTUM COMPLICATION PROBABILITY     (16點)
腹板及俯臥姿勢對於攝護腺癌直腸照射劑量之影響
著者:Yu-Ming Liu(劉裕明) ;Liang-Hsiao Chao(王俊瑋) ;Chun-Wei Wang(趙良曉) ;Sang-Hue Yen(顏上惠) ;Mei-Ling Lee(李美玲) ;Chuen-Mei Hsieh(謝春梅) ;Yuh-Lin Lee(李玉麟) ;Pin-I Huang(黃品逸) ;Ling-Wei Wang(王令瑋) ;Cheng-Ying Shiau(蕭正英)
出版地區:台灣
出版城市:台北市
學科:醫學綜合
關鍵字:攝護腺癌 ; 三維適形放療 ; 治療姿勢 ; 腹板 ; 劑量與體積的直方圖 ; Prostate cancer ; Three-dimensional conformal radiotherapy ; Treatment position ; Belly-board ; Dose-Volume Histogram
刊名:Therapeutic Radiology and Oncology
頁碼:107-114
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

背景和目的:比較使用Belly board(腹板)之俯臥位是否優於仰臥位式攝護腺癌放療,並計算直腸的直徑變化、直腸與攝護腺間距及評估治療劑量與體積直方圖(DVH)之關係。
材料與方法:15例攝護腺癌患者分別進行兩組骨盆電腦斷層掃描,分別是使用Belly board之俯臥位及沒有固定的仰臥位。每個病人在兩種擺位下的治療計劃皆使用4-field box technique(方盒治療技術)三維適形放療(3DCRT)。使用Wilcoxon signed-rank test作統計分析,分析項目包括:直腸的幾何變化、直腸與攝護腺間距及重要器官的治療劑量與體積直方圖(DVH)分析。
結果:患者於俯臥姿勢加腹板治療相對於患者在仰臥位置有較大的直腸前後徑和橫向徑為(p值=0.003和p=0.031),和較大的攝護腺和直腸的中心間的距離(p值=0.002)。關於DVHs數據,患者於俯臥治療導致治療部位的直腸體積較大(P=0.015),意味著較低直腸劑量(p=0.002)和較小的直腸體積接受高輻射劑量(p=0.001)。
結論:攝護腺癌病人治療時使用Belly board(腹板)之俯臥位之固定方式對直腸直徑(前後向及橫斷面)都有顯著的增大(相較於仰臥位的固定方式),在直腸與攝護腺中心點間的距離也是使用Belly board(腹板)之俯臥位之固定方式有較大的距離,在劑量與體積的直方圖也顯示使用Belly board(腹板)之俯臥位之固定方式有較低的直腸輻射劑量可以降低放療引起的併發症。
Background and Purpose: To investigate the impact of supine position versus prone position with belly-board on prostate radiotherapy by evaluation the geometric parameter change between internal organs and treatment dose-volume histograms (DVHs).
Materials and Methods: Fifteen patients with prostate cancer underwent pelvic CT scan in position of both prone with belly-board device and supine without immobilization. Four-field box three-dimensional conformal radiotherapy (3DCRT) treatment planning was planned for each patient in both positions. Geometric change including diameter of rectum, distant between critical organs and treatment DVHs were investigated. Wilcoxon signed-rank test was used for statistical analysis.
Results: Patients in prone treatment position had both larger anterio-posterior diameters and transverse diameter of rectum (p=0.003 and p=0.031), and larger distance between the centers of prostate and rectum (p=0.002) than those of patients in supine position. In regard to the DVHs data, prone treatment position resulted in larger rectal volume (p=0.015), lower mean rectal dose (p=0.002) and smaller rectal volume receiving high radiation dose (p=0.001).
Conclusions: Patients in prone treatment position with belly-board immobilization had both larger anterio-posterior diameters, transverse diameter of rectum, and larger distance between the centers of prostate and rectum than those of patients in supine position. Prone treatment position with belly-board device can reduce rectum dose, which may in turn decrease the risk of radiation-induced complications.




本卷期目次
Therapeutic Radiology and Oncology
THE IMPACT OF PRONE POSITION WITH BELLY-BOARD DEVICE ON THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY OF PROSTATE CANCER: DECREASING THE RECTUM COMPLICATION PROBABILITY/ Yu-Ming LiuLiang-Hsiao ChaoChun-Wei WangSang-Hue YenMei-Ling LeeChuen-Mei HsiehYuh-Lin LeePin-I HuangLing-Wei WangCheng-Ying Shiau
評估頭頸部模型使用的TIMO枕與壓克力枕在放射治療中的再現性與舒適度/ 高菁苓林信吟劉煥彰林倩伃范綱行劉義誠陳柏元
癌症多專科團隊會議運作模式與未來展望許維中/ 廖宏恩鍾娜娜王博民詹淑卿
研究overshoot effect對於執行強度調控放射治療之影響及劑量修正/ 王思文游浚彥周文采朱俊男賴姿云翁益強楊世能梁基安
TOMOTHERAPY FOR CERVICAL CANCER WITH BILATERAL TOTAL HIP REPLACEMENT/ Hsin-Hua LeeShi-Long LianChih-Jen Huang
利用放射線治療默克細胞癌淋巴腺轉移的病患--病例報告/ 葉啓源劉芳慧賴鵬安
PROGNOSTIC FACTORS AFTER ADJUVANT RADIOTHERAPY IN CERVICAL CANCERS: A RETROSPECTIVE STUDY/ Po-Chun ChenWen-Shan LiuChien-Hsun ChenChing-Hsiung ChangPei-Ling TangChung-Man LeungYu-Chang HuKuo-Chen Chang
螺旋刀放射治療儀低分次放射治療第四期非小細胞肺癌肺內病灶--單一中心經驗分享/ 李政彥張恆睿楊凱琳柯卉玲黃素禎溫嘉綺季匡華
 
   
 
   

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