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1
題名:Study on Radiation Safety of High Dose Rate Multiple Cobalt-60 Sources Teletherapy Machine     (16點)
多射源高劑量率鈷六十遠隔治療機輻射安全之研究
著者:Sang-Hue Yen(顏上惠) ;Yuh-Lin Lee(李玉麟) ;Liung S. Chao(趙良曉) ;Max M. Chao(趙敏) ;David HC Pan(潘宏基) ;Kuang Y. Chen(陳光耀)
出版地區:台灣
出版城市:台北市
學科:醫學綜合
關鍵字:聚焦照射 ; 放射線手術 ; 加馬刀 ; Focusing irradiation ; Radiosurgery ; Gamma Knife
刊名:Therapeutic Radiology and Oncology
頁碼:235-242
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

多射源高劑量結六十遠隔聚焦治療(stereotactic focusing irradiati on ) 是在X 射線立體定位下,以多射束X光或加馬射線集中照射病仕部位的放射線治療技術亦稱放射線手術( radi osurgery) 。Gamma Unit (亦稱為Gamma Knife ) 為具有2 0 1 顆站六十輻射源之聚焦放射治療機, 在瑞典已發展多年,近十年來相繼在美日發展。因2 0 1顆高活性強度射源其新療法及技術之括六十治療機, 其構造、安裝、射東方向、可能的輻射滲漏與傳統的話六十違隔治療機有所不同, 國內尚未有此經驗。本研究的目的為針對此特殊放射治療設備於治療室中輻射安全屏蔽防護之評估及滲漏之實測,建立輻安品管之資料,以增加工作人員、病人及陪伴家屬之安全性。我們使用La k seII Gamma Unit (B型) 具四套不同大小、可更換之準直儀(co ll i m a t o r ) 頭盔、各別之準直儀桂( p l ug ) 及不同之偵檢儀包括游離腔、氣化鍾熱螢光劑量計讀片、驗證片、聚萃乙:掃( p o l yst y rene)球形假體,利用偵檢儀來量角度及治療室不同區域的吸收劑量及治療室外的曝露量,於治療室外圍、上、下區域經測量顯示輻射曝露量皆為背景值均於國際輻射防護組織( N CRP ) 的號報告之要求值的範圍內。此成果除提供本中心遵循延用外,未來亦可供國內其他醫院添裝類似設備參考。
Stereot act ic focusing irradiation (radiosurgery) by applying multiple beam from linear accelerator or multiple cobalt sources ha s been used in the treatment of brain tumor s. Gamma Unit (Gamma Knife) containing 201 cobalt sour ces has been developed and used in Sweden for decades and it also has gradually become popular in the treatment of deep-located brain tumors or abn ormalities in t he re cent 10 years. Owing to the high activity of its 201 cobalt sour ces, t he in ternal st ruct ur e, installation, beam direction, possible radiation leakage and operations of this new treatment modality and techniqu es of Gamma Unit are quite different from those of traditional cobalt telet he rapy machines. So far, there is no such therapeutic experience in Taiwan. This study is to set up the quality assurance program and to evaluate our own data about radiation protection, shielding, possible radiation leakage and measurement to increase the radiation safety for patients as well as staffs. Laksell Gamma Unit (Model B) with 4 different sized interchangable collimator helmets, indi vidual collimator plugs and different detector including ion chambers, LiF thermoluminescent dosimeter chips, verification films, spher ical polystyrene phantom and survey meters were used for exposure and absorbed dose measurement. The radiation leakage measurements around, above and beneath the treatment room were background readings whi ch were below the limits established by NCRP Report 49. This study will provide not only the data and rule s to follow for the radiation safety in our center, but also the re ference data for other hospitals when they install similar facilities in the coming days.


    

本卷期目次
Therapeutic Radiology and Oncology
Postoperative Radiotherapy for Malignant Gliomas/ Shyh-An YehStephen Wan LeungLi-Mm SunChong-Jong WangHuey-Jiun ChenFu-Min Fang
Patterns of Pelvic Recurrence and Results of Salvage Treatment with Radiation Therapy for Recurrent Rectal Carcinoma/ Chong-Jong WangStephen Wan LeungHui-Chun ChenLi-Min SunFu-Min Fang
Postoperative Low Dose Single Fraction Irradiation for Prevention of Heterotopic Bone Formation after Hip Surgery/ Le-Jung WuSang-Hue YenTain-Hsiung ChenLing-Wei WangKwan-Hwa ChiKuang Y. Chen
C型行為與癌的關系-癌症心理學書評-/ 陳光耀
Study on Radiation Safety of High Dose Rate Multiple Cobalt-60 Sources Teletherapy Machine/ Sang-Hue YenYuh-Lin LeeLiung S. ChaoMax M. ChaoDavid HC PanKuang Y. Chen
Curative Radiotherapy for Vocal Cord Carcinoma/ Weng Yih-ChyangJin-Ching LinJian-Sheng Jan
如何使用模擬攝影機之擋影托盤(shadow tray)确認擋塊位置/ 何聖佑鄭秀成雷德
Results of Radiation Therapy for Regional Stage T4 Nasopharyngeal Carcinoma/ Chi-Yuan YehYuen-Liang LaiChang-Hung ChungKou-Hwa ChangYih-Cherng Lai
醫用直線加速器系統構造與保養作業簡介/ 李財福梁雲王重榮許順能黃置柔吳嘉明
接受輻射治療之鼻咽腫瘤患者其視綱膜病變之評估/ 張東杰林淵謙陳墩祿楊克仁陳麗惠湯國政
西藏癌症與衛生醫療現況/ 顏上惠劉淑娟陳光耀
維生素丙對鼷鼠放射線口腔黏膜炎修復與預防效應之研究/ 許文林黃經民任益民施榕平李恒昇李偉華
The Role of Epstein-Barr Virus Infection and the Immunocompetence of Patients with Nasopharyngeal Cancer/ Kuan-Chih ChowKuang Y. Chen
維生素丙對所鼷鼠放射線口腔黏膜炎修復與預防效應之研究/ 詩文林黃經民任益民施榕平李恆昇李偉華
Curative Radiotherapy for Vocal Cord Carcinoma/ Yih-Chyang WengJin-Ching LinJian-Sheng Jan
Results of Radiation Therapy for Regional Stage T4 Nasopharyngeal Carcinoma/ Chi-Yuan YehYuen-Liang LaiChang-Hung ChungKou-Hwa ChangYih-Cherng Lai
接受輻射治療之鼻咽腫瘤患者其視網膜病變之評估/ 張東杰林淵謙陳墩禄楊克仁陳麗惠湯國政
Postoperative Low Dose Single Fraction Irradiation for Prevention of Heterotopic Bone Formation after Hip Surgery/ Le-Jung WuSang-Hue YenTain-Hsiung ChenLing-Wei WangKwan-Hwa ChiKuang Y. Chen
Patterns of Pelvic Recurrence and Results of Salvage Treatment with Radiation Therapy for Recurrent Rectal Carcinoma/ Chong-Jong WangStephen Wan LeungHui-Chun ChenLi-Min SunFu-Min Fang
Postoperative Radiotherapy for Malignant Gliomas/ Shyh-An YehStephen Wan LeungLi-Min SunChong-Jong WangHuey-Jiun ChenFu-Min Fang
Study on Radiation Safety of High Dose Rate Multiple Cobalt-60 Sources Teletherapy Machine/ Sang-Hue YenYuh-Lin LeeLiung S. ChaoMax M. ChaoDavid HC PanKuang Y. Chen
The Role of Epstein-Barr Virus Infection and the Immunocompetence of Patients with Nasopharyngeal Cancer/ Kuan-Chih ChowKuang Y. Chen
如何使用模擬攝影機之擋影托盤(shadow tray)確認擋塊位置/ 何聖佑鄭秀成雷德
醫用直線加速器系統構造與保養作業簡介/ 李財福梁雲王重榮許順能黃置柔吳嘉明
西藏癌病與衛生醫療現況/ 顏上惠劉淑娟陳光耀
C型行為與癌的關係--癌症心理學書評--/ 陳光耀
 
   
 
   

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