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J Korean Soc Ther Radiol > Volume 6(1); 1988 > Article
Journal of the Korean Society for Therapeutic Radiology 1988;6(1): 93-100.
Clinical Application of the Dual Energy Photon Beam Using 6 MV and 10 MV X-ray
Myung Za Lee, Hye Gyeong Han
Department of Radiation Therapy, College of Medicien, Hanyang University, Seoul, Korea.
ABSTRACT
Some modern accerelators provide a dual energy for photon beam treatment. The main advantages of dual energy in the treatment of rectosigmoid or rectal cancer are as follows. Dose in the critical organ such as small intestine, bladder and genital organ are reduced. Presacral and perineal area is fully covered. Dose distribution analysis such as calculation of dose in a target volume, isocenter, Dmax and dose spectrum in any region of interest are possible. Examples of plan are given and results are discussed.
Key Words: Dual photon accelerator, Rectal carcinoma, Treatment planning
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