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題名:單管圓柱狀近接裝療器劑量分佈最佳化的影響因素     (16點)
DETERMINANT FACTORS OF DOSE OPTIMIZATION FOR BRACHYTHERAPY WITH SINGLE-CHANNELED CYLINDRICAL APPLICATOR
著者:李政橋(Chen-Chiao Lee) ;蔡介生(Chieh-Sheng Tsai) ;黃英強(David Y. C. Huang) ;李俊德(Jun-Der Lee) ;傅定國(Ting-Kuo Fu) ;李文翰(Wen-Han Lee) ;羅慶榮(Ching-Jung Lo)
出版地區:台灣
出版城市:台北市
學科:醫學綜合
關鍵字:近接治療 ; 陰道 ; 圓柱狀裝療器 ; 最佳化 ; Brachytherapy ; Vagina ; Cylindrical applicator ; Optimization
刊名:放射治療與腫瘤學
頁碼:257-264
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

且的: 探討使用不同直徑的圓柱狀裝療器、選擇不同的射源位置及最佳化劑量點, 在作陰道近接治療計劃時對劑勤于佈的影響。 拉起盟主法: 依據A B S ( America n Braehytherapy Soci ety ) 報告, 在使用圓柱狀裝療器I筒子近接治療時,建議採用陰道黏膜及黏膜下5 . 0 m m為表面及外側劑量評估點。評估劑量計算的因素有圓柱狀裝療器直徑的大小( 1 . 5 em V5. 3 .5 an ) 、改變射源點停留間距( 2 . 5 , 5 , 7 . 5 , and 10 mm ) 及最佳1 l劑量點的安排,交叉分析其影響齊糧分佈自憐吉果。 益墨: 直徑1 . 5 em 裝療器較直徑3 . 5 e m 裝療器有較高的表面平均劑量( 1 73 . 6 eGy v5.127.3eGy ) ' 與車前主均勻的劑量分佈( 標準差31 .8 eGy V5 . 11.7 eGy ) 。在最佳化過程中, 拉大最佳化劑量點間距( 由2 . 5 m m 至1 0 . 0 mm ) .直徑3 . 5 e m 裝療告轅面頂點劑量會增加2 8 % 。糊口射j原停留位置的間距,亦造成頂點劑量的I勘日。若改變最佳化劑量點的安排方式,外i~IJT頁點會高達7 0 %的劑量增加。 話講:臨床上若使用單管裝療器作陰道近接治療, 直徑較大的圓柱狀裝療器可得到較均句的劑量分佈。
Purpose : To evaluate the dose distribution of vaginal brachytherapy with different diameters of cylindrical applicator, source positions and optimized dose points. Materials and Methods : When using cylindrical applicator for vaginal brachytherapy, ABS (American Brachytherapy Society) recommended treatment report with the vaginal surface dose and the dose at 5 mm beneath mucosa. The affecting factors for dose optimization is this study include: diameter of vaginal cylinder, source positions and optimized dose points. Results : Vaginal applicator with smaller diameter (1.5 cm) has a higher average surface dose (173.6 cGy vs. 127.3 cGy) and a more inhomogeneous dose distribution (standard deviation 31.8 cGy vs. 11.7 cGy) than a larger one (3.5 cm). When the interval of optimized dose points was increasing to 10 mm, the dose at surface apex point increased 28% with the larger diameter applicator. Increasing interval of source dwelling positions resulted in a rise of dose at apex point. There was a 70% dose enhancement at off-surface dose point when optimized dose points were re-arranged. Conclusions : When utilizing single-channeled applicator for vaginal brachytherapy, a cylinder with larger diameter will result in more homogenous dose distribution


    

本卷期目次
放射治療與腫瘤學
在不同深度下量測電子射束之有效射源-表面距離以運用於臨床/ 張秀淘白淑珍葛迺玟鄭秀成
Concurrent Chemoradiation with Weekly Cisplatin plus Systemic Adjuvant Chemotherapy for Locally Advanced Esophageal Cancer: A Pilot Study/ Shih-Kai HungHung-Chang LiuKuo-Hwa ChangYuen-Liang LaiCharng-Jer HuangYu-Jen Chen
Preliminary Results of Three-Dimensional Conformal Radiotherapy and Thalidomide for Advanced Hepatocellular Carcinoma/ Po-Ming WangWei-Chung HsuSue-Ching ChanNa-Na ChungLai-Lei TingKung-Shih YingChe-Jen ChaoGau-De Lin
Is Melanin a Radioprotector or Radiosensitizer? It’s Implication for Radiotherapy/ Wen-Lin HsuJing-Min HwangDai-Wei LiuYee-Min JenChien-Yuan Chen
單管圓柱狀近接裝療器劑量分佈最佳化的影響因素/ 李政橋蔡介生黃英強李俊德傅定國李文翰羅慶榮
肝癌患者接受立體定位放射線治療期間疲倦及血液數值變化之探討/ 蕭雅莉賴裕和邱仲峰蔡若婷葉啟源鍾道生高仲瑜林美良
Treatment Results of Tongue Cancer in Patient Younger than 40 Years Old/ Kang-Hsing FanChen-Kan TsengPing-Ching PaiNgan-Ming TsangJi-Hong Hong
以迷你豬作為腮腺輻射反應研究之模式及初步結果/ 任益民蘇萬福林曜祥劉岱瑋趙興隆張俊梁林宏益林群書岑榮潤
Brain Necrosis as a Consequence of Reirradiation in Meningeal Hemangiopericytoma: A Case Report and Review of the Literature/ Suzun ShawJing-Shan HuangShih-Hung HuangYung-Chien HuangChin-Ming JengChing-Jung Wu
以迷你豬作?腮腺輻射反應研究之模式及初步結果/ 任益民蘇萬福林曜祥劉岱瑋趙興隆張俊梁林宏益林群書岑榮潤
肝癌患者接受立體定位放射線治療期間疲倦及血液數值變化之探討/ 蕭雅莉賴裕和邱仲峰蔡若婷葉啟源鍾道生高仲瑜林美良
PRELIMINARY RESULTS OF THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY AND THALIDOMIDE FOR ADVANCED HEPATOCELLULAR CARCINOMA/ Po-Ming WangWei-Chung HsuSue-Ching ChanNa-Na ChungLai-Lei TingKung-Shih YingChe-Jen ChaoGau-De Lin
TREATMENT RESULTS OF TONGUE CANCER IN PATIENT YOUNGER THAN 40 YEARS OLD/ Kang-Hsing FanChen-Kan TsengPing-Ching PaiNgan-Ming TsangJi-Hong Hong
CONCURRENT CHEMORADIATION WITH WEEKLY CISPLATIN PLUS SYSTEMIC ADJUVANT CHEMOTHERAPY FOR LOCALLY ADVANCED ESOPHAGEAL CANCER-A PILOT STUDY/ Shih-Kai HungHung-Chang LiuKuo-Hwa ChangYuen-Liang LaiCharng-Jer HuangYu-Jen Chen
IS MELANIN A RADIOPROTECTOR OR RADIOSENSITIZER? IT'S IMPLICATION FOR RADIOTHERAPY/ Wen-Lin HsuJing-Min HwangDai-Wei LiuYee-Min JenChien-Yuan Chen
在不同深度下量測電子射束之有效射源-表面距離以運用於臨床/ 張秀淘白淑珍葛迺玟鄭秀成
單管圓柱狀近接裝療器劑量分佈最佳化的影響因素/ 李政橋蔡介生黃英強李俊德傅定國李文翰羅慶榮
BRAIN NECROSIS AS A CONSEQUENCE OF REIRRADIATION IN MENINGEAL HEMANGIOPERICYTOMA: A CASE REPORT AND REVIEW OF THE LITERATURE/ Su-Zun ShawJing-Shan HuangShih-Hung HuangYung-Chien HuangChin-Ming JengChing-Jung Wu
放射治療與腫瘤學第八至十卷作者姓名索引
Subject index of volume 8-10 of Therapeutic Radiology and Oncology
 
   
 
   

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