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KMID : 1164220040160010073
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Journal of Korean Society for Radiotherapeutic Technology
2004 Volume.16 No. 1 p.73 ~ p.77
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Packing effects on the intracavitary radiation therapy of the utaine lervix cancer
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Cho Jung-Keun
Lee Doo-Hyeon
Si Chang-Keun
Choi Yun-Kyeung
Kim Tae-Yoon
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Abstract
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Purpose of the radio-therapy is maximize the radiation dose to the tumor while minimizing the dose to the critical organ. Carcinoma of the uterine cervix treatment are external irradiation or an interstitial brachtheraphy make use of isotope. Brachytherapy is a method of radiotherapy in advantage to achieve better local control with minimum radiation toxicity in comparison with external irradiation because radiation dose is distributed according to the inverse square low of gamma-ray emitted from the implanted sources. Authors make use of the patients data which 192Ir gives medical treatment intrcavity. Intracavitary radiation of the uterine cervix cancer, critical organ take below than exposure dose of A point in the ICRU report. None the less of the advice, Radiation proctitis and radiation cystitis are frequent and problematic early complications in patients treated with radiation for the uterine cervix cancer. In brachytherapy of uterine cervical cancer using a high dose rate remote afterloading system, it is of prime importance to deliver a accurate dose in each fractionated treatment by minimizing the difference between the pre-treatment planned and post-treatment calculated doses. Use of packing to reduce late complications intracavitary radiation of the uterine cervix cancer. Bladder and rectum changes exposure dose rate by radiotherphy make use of packing.
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KEYWORD
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HDR, Brachytherapy, Packing, ICR
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