Monte Carlo Corrected DVHs for Retrospective Dose-Volume Modeling. Patricia Lindsay, Joseph Deasy, Issam El Naqa, Milos Vicic. Department of Radiation Oncology Washington University, St. Louis.
Monte Carlo Corrected DVHs for Retrospective Dose-Volume Modeling
Patricia Lindsay, Joseph Deasy,
Issam El Naqa, Milos Vicic
Department of Radiation Oncology
Washington University, St. Louis
Partially supported by NIH grant R01 CA 90445 and a grant from Computerized Medical Systems, Inc.
Match Monte Carlo to Water-based archived dose distribution
Recalculate MC using full CT
Determine beamlet weights and wedge effects
Predict actual dose received by patient
Computation Time – about 2 hours per plan
(10 nodes on cluster of 1.6 GHz AMD processors)
† Kawrakow I., VMC++, Electron and Photon Monte Carlo Calculations Optimized for Radiation Treatment Planning, Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications: Proceedings of the Monte Carlo 2000 Conference.
†CERR(A Computational Environment for Radiotherapy Research) can be obtained from http://radium.wustl.edu/CERR
TPS: 35, 25, 24, 16
MC: 34, 26, 24, 16
(Plan review using CERR)
TPS: 45, 46, 9
MC: 44, 43, 13