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題名:固定深度治療對直腸肛門癌放射治療的影響     (16點)
THE EFFECT OF FIXED COUCH-ISOCENTER DISTANCE TREATMENT ON RADIOTHERAPY IN RECTAL CANCER PATIENTS
著者:曾雁明(Ngan-Ming Tsang) ;范綱行(Kang-Hsing Fan) ;白冰清(Ping-Ching Pai) ;蔡介生(Chiea-Sheng Tsai) ;林倩?(Chien-Yu Lin) ;陳臣苑(Chen-Yuan Chen) ;曾振淦(Chen-Kan Tseng)
出版地區:台灣
出版城市:台北市
學科:醫學綜合
關鍵字:固定深度 ; 放射線治療 ; 直腸肛門癌 ; 誤差 ; Fixed couch-isocenter distance ; Radiotherapy ; Rectal cancer ; Anal caner
刊名:放射治療與腫瘤學
頁碼:37-44
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

且畫:為減少直腸肛門癌病患接受放射線治療時,因病人固定性不佳而造成腫瘤治療劑量不足或正常組織接受劑量過高的情形。我們採用新的治療中心設定方法,藉由驗證片及模擬攝影片的比較及測量,測定此一方法之精確性。 主法:病人以仰臥姿勢,除頭枕及腳踩固定器外不使用其他的固定材料。病人於電腦斷層模擬攝影峙,將治療中心固定在由治療床表面往腹部7公分的高度。治療中心定好之後,依照雷射投影在病人身上的位置做記號,並貼上X光可顯影之膠管,在電腦斷層模擬攝影片上顯示治療中心o第一;欠治療時拍下驗證片,和模撥攝影片比較後,測量兩者的誤差,包括位移及旋轉角度的差異。 益星:頭腳方向的平均位移為1 . 3 ± 3.3 mm '左右方向為1 . 9 ± 3.8 mm '前後方向為0 . 2 ± 2.0mm 。冠狀面平均能轉角度為0.76 ± 2.84 度, 矢狀面為0.52 ± 0.76 度, 橫斷面為0.04 ± 0.33度。 鐘益:固定骨盆腔的後前治療深度是一個可靠的治療方式,在各方向的位移幾乎都少於5 m m '其中雖然以冠狀面的旋轉誤差較大,但是仍在良好的範團內,因此、此種定位治療法是簡單且可靠的方式。
Purpose: To improve the reproducibility of irradiated volume in treating rectal cancer patients with fractionations, we have developed a new isocenter determination method and tested its accuracy by comparison of portal and simulation films. Materials and Methods: Patients were placed in the supine position with only a head restraint and feet immobilizer, During Computerized Tomography (CT), the isocenter was fixed at 7cm from the bed surface in the direction of the abdomen, after which the position was marked on the patient's body by means of laser projection. A rubber tube was attached for visualization on x-ray films. The isocenter was thus indicated on the CT scan. During the first treatment, a portal film was made for comparison with the simulation film, and displacement and rotation errors of the two were measured. Results: Mean head-to-toe displacement was 1.3 ± 3.3 mm, left-right displacement was 1.9 ± 3.8 mm and anteroposterior displacement was 0.2 ± 2.0 mm. The mean coronal rotation was 0.76 ± 2.84°, sagittal rotation was 0.52 ± 0.76° and transverse rotation was 0.04 ± 0.33°. Conclusion: Stabilizing the position of the pelvis on the treatment couch is a reliable method for treatment. Displacement in almost all directions was less than 5mm. The error for coronal rotation was slightly greater, but nonetheless within acceptable range. Therefore, this type of treatment localization method is a simple and reliable method.


    

本卷期目次
放射治療與腫瘤學
AAPMTG-51號議定書光子與電子劑量計算程式/ 郭力誠鄭秀成游浚彥陳妙芬陳文政
雙盲對照實驗評估口服pilocarpine對放射線治療引起頭頸部癌症病患口乾症於馬偕醫院之使用主觀效果及安全性報告/ 陳舜鼎張國華陳裕仁鍾昌宏吳孟浩蘇文浩陳虹汶賴允亮
Definitive Radiotherapy for the Patients with Prostatic Adenocarcinoma: Analysis of Short-Term Outcome and Prognostic Factors/ Shena Yu-Hsuan ChenJason Chia-Hsien ChengStella Y. TsaiSkye Hon-Giun ChengDaniel S. ChangAlex Lien-Yen YangJames Jer-Min Jian
改良式軟片劑量驗證應用於強度調控放射線治療之先期研究/ 蔡忠宏莊克士戴宏旗周志成蕭安成林芳仁
Preperative Radiotherapy Concurrent with Chemotherpy for Locally Advaced Rectal Cancer/ Yu-Xuan ChenWilliamChenMu-Tai LiuChih-Yuang ChungCheng-Shyong ChangGer-Hau HsuHong-Chang ChenTung-Hao ChangChu-Ping PiChih-Chiech Hsu
Preoperative Radiotherapy and Chemotherapy for Low or Locally Advaced Rectal Cancer/ I-Chun YehHelen H.W. ChenJeng-Chang LeeWu-Chou SuHong-Ming TsaiHenry W.C. Leung
固定深度治療對直腸肛門癌放射治療的影響/ 曾雁明范綱行白冰清蔡介生林倩伃陳臣苑曾振淦
DEFINITIVE RADIOTHERAPY FOR THE PATIENTS WITH PROSTATIC ADENOCARCINOMA: ANALYSIS OF SHORT-TERM OUTCOME AND PROGNOSTIC FACTORS/ Shena Yu-Hsuan ChenJason Chia-Hsien ChengStella Y TsaiSkye Hongiun ChengDaniel S ChangAlex Lien-Yen YangJames Jer-Min Jian
雙盲對照實驗評估口服pilocarpine對放射線治療引起頭頸部癌症病患口乾症於馬偕醫院之使用主觀效果及安全性報告/ 陳舜鼎張國華陳裕仁鍾昌宏吳孟浩蘇文浩陳虹汶賴允亮
PREOPERATIVE RADIOTHERAPY CONCURRENT WITH CHEMOTHERAPY FOR LOCALLY ADVANCED RECTAL CANCER/ Yu-Xuan ChenWilliam ChenMu-Tai LiuChih-Yuang ChungCheng-Shyong ChangGer-Hau HsuHong-Chang ChenTung-Hao ChangChu-Ping PiChih-Chiech Hsu
PREOPERATIVE RADIOTHERAPY AND CHEMOTHERAPY FOR LOW OR LOCALLY ADVANCED RECTAL CANCER/ I-Chun YehHelen H. W. ChenJeng-Chang LeeWu-Chou SuHong-Ming TsaiHenry W. C. Leung
固定深度治療對直腸肛門癌放射治療的影響/ 曾雁明范綱行白冰清蔡介生林倩?陳臣苑曾振淦
AAPMTG-51號議定書光子與電子劑量計算程式/ 郭力誠鄭秀成游浚彥陳妙芬陳文政
改良式軟片劑量驗證應用於強度調控放射線治療之先期研究/ 蔡忠宏莊克士戴宏旗周志成蕭安成林芳仁
 
   
 
   

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