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J Korean Soc Ther Radiol Oncol > Volume 20(1); 2002 > Article
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2002;20(1): 68-72.
Application of Intensity Modulated Radiation Therapy (IMRT) in Prostate Cancer
Suk Won Park, Do Hoon Oh, Hoon Sik Bae, Byung Chul Cho, Jae Hong Park, Seung Hee Han
Department of Radiation Oncology, College of Medicine, Hallym University, Seoul, Korea.
ABSTRACT
This study was done to implement intensity-modulated radiation therapy (IMRT) for the treatment of primary prostate cancer and to compare this technique with conventional treatment methods. A 72-year- old male patient with prostate cancer stage T2a was treated with IMRT delivered with dynamic multi-leaf collimation. Treatment was designed using an inverse planning algorithm, which accepts dose and dose- volume constraints for targets and normal structures. The IMRT plan was compared with a three-dimensional (3D) plan using the same 6 fields technique. Lower normal tissue doses and improved target coverage were achieved using IMRT at current dose levels, and facilitate dose escalation to further enhance locoregional control and organ movement during radiotherapy is an important issue of IMRT in prostate cancer.
Key Words: Prostate Cancer, IMRT, radiotherapy
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