IMRT Prostate vs 3D planning with Raystation скачать в хорошем качестве

IMRT Prostate vs 3D planning with Raystation

Optimization: simplified cost function Plan Optimization - IMRT Purpose: Get familiar with how to add optimization functions, how to optimize a plan and how to use the Reduce OAR Dose Function. Instructions: • Open the patient IMRT_Prostate. • Insert physical objectives/constraints. In order to do this, go to Optimization → Plan Optimization. Click Add physical... in the Objectives/Constraints list. → Choose PTV in the ROI pick list, → Choose Max DVH in the Function Type, → Write 100 as the Dose level and 100 as the Volume. Use Reduce OAR Dose: Go to Optimization → Plan Optimization → Reduce OAR Dose. This function tries to improve the current solution by minimizing dose to risk organs while keeping target coverage. The ROIs considered are those in the user-specified optimization problem. ------ prostate objective and constrain doses: PTV maxdose 69GY PTV minidose 62Gy DVH95=95% OARs: ------ Rectum maxdose 65Gy, DVH130=35% DDVH250=10% ------ Bladder maxdose 65Gy, DVH1-- 30=30% DVH2 --50=10% ------ Head of Femoral maxdose 35Gy #Radiotherapy #Radiation_oncology #treatment_planning #Raystation #TPS #IMRT #doseconstrain #dose_cost_function #3D-CRT