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1 2020

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Fluence map optimisation for prostate cancer intensity modulated radiotherapy planning using iterative solution method

Singh Pushpendra, Tripathi Supriya, Tamrakar Raunak Kumar

Polish Journal of Medical Physics and Engineering

2020

Vol. 26, Iss. 4

201--209

Here we projected a model-based IMRT treatment plan to produce the optimal radiation dosage by considering that the maximum amount of prescribed dose should be delivered to the target without affecting the surrounding healthy tissues especially the OARs. Fluence mapping is used for inverse planning. This suggested method can generate global minima for IMRT plans with reliable plan quality among diverse treatment planners and to provide better safety for significant parallel OARs in an effective way. The whole methodology is having the capability to handles various objectives and to generate effective treatment procedures as validated with illustrations on the CORT dataset. For the validation of our methodology, we have compared our result with the two other approaches for calculating the objectives based on dosevolume bounds and found that in our methodology dose across the prostate and lymph nodes is maximum and the time required for the convergence is minimum.