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題名:AAPMTG-51號議定書光子與電子劑量計算程式     (16點)
THE DOSE CALCULATION PROGRAM FOR HIGH-ENERGY PHOTON AND ELECTRON BEAMS IN AAPM'S TG-51 PROTOCOL
著者:郭力誠(Li-Cheng Kuo) ;鄭秀成(Shiu-Chen Jeng) ;游浚彥(Yu Chun Yen) ;陳妙芬(Miao-Feng Chen) ;陳文政(Wen-Cheng Chen)
出版地區:台灣
出版城市:台北市
學科:醫學綜合
關鍵字:劑量度量 ; 校正 ; 計算程式 ; TG-51 ; Dosimetry ; Calibration ; Calculation Program
刊名:放射治療與腫瘤學
頁碼:45-52
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

且且:美國物理師學會於1 999年發表了度量遠隔治療高能光子及電子射東臨床參考劑量的TG -5 1號新議定書以取代1 9 83年發表的TG -2 1號議定書。TG﹒凹的特色是使用鉛-60水中吸收劑量標準校正游離腔,游離腔的校正因子稱為Nfp。另一個特色則是大大簡化劑量計算所需要的參數,且以kQ 值作為光子射東晶質轉換因子, P.a9Jk'Rf'i() , ke胡作為電子射束品質轉換因子。本篇研究的目的在於撰寫完整的TG -5 1 劑量計算程式, 以減少查圖及計算所造成的錯誤。 姐姐盟主法:本篇研究使用微軟公司的Vi s u a l Basic 6.0 語言撰寫TG-51 劑量計算程式。整個程式設計架構依照TG -5 1號議定書裡面所提供的wo rksheet表格流程安排,並使用AAPM放射物理中心提供的TG -5 1 Workshop 裡的資料進行程式正確性的驗誼。 益蠱:與AA P M pff提供的資料驗詣比較, 光子劑量之計算差異為﹒0 . 02 69% '電子劑量之計算差異為0 . 04 2 9 % 。 益益:此程式提供了方便、正確而且完整的T G -5 1號議定書劑量計算工具,並可減少人為查團所造成的誤差及實際應用於臨床參考劑量的度量。
Purpose: In 1999, American Association of Physicists in Medicine (AAPM) published the TG-5l protocol giving "clinical reference dosimetry of high-energy photon and electron beams" to replace the TG-2l protocol published by AAPM in 1983. One of the characteristics ofTG-5l is being based on the use of the ion chambers calibrated in terms of absorbed dose to water in a 6OCO beam. The calibration factors of chambers are defined as N';f;/. The other is that the parameters needed for dose calculation are much more simplified than in TG-21. The conversion factor for beam quality of photon in TG-5l is kQ, for electron are P",9, k'RS() ,kecal ' The purpose of this paper is to develop a complete TG-5l dose calculation program to decrease the errors arising from looking up tables and doing calculations. Materials and Methods: We use Visual Basic 6.0 produced by Microsoft to develop a dose calculation program of TG-51. The flowchart of this program follows the procedure of worksheet in TG-51. We verified the accuracy of this program by putting in the data in TG-5l Workshop provided by AAPM Radiological Physics Center. Results: Compared with the data provided by AAPM, the differences of photon and electron dose calculations are within 0.0269% and 0.0429%, respectively. Conclusion : This program is a convenient, accurate and simple tool for dose calculation. Medical physicists can implement it to decrease the errors arising from looking up tables, and apply it in the clinical reference dosimetry practically.


    

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
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 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
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 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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