Authors: Ian J. Butterwick, Sumudu Katugampola, ChangSeon Kim, Evan G. Meekins, Zhengdong Zhang
Affiliation: Mount Sinai Beth Israel, Gesinger Medical Center, Geisinger Medical Center
Abstract Preview: Purpose: To evaluate the dosimetric impact of enhanced dynamic leaf gap (EDLG) modeling in Eclipse V18.0 on small-field dosimetry within VMAT plans.
Methods: Plans with small fields (1 cm x 1 cm to...
Authors: Thomas R. Mazur, Kevin Renick, Matthew C. Schmidt, Xiaodong Neo Zhao
Affiliation: Washington University in St. Louis School of Medicine, Washington University School of Medicine
Abstract Preview: Purpose: To compare dose calculation accuracy for single-isocenter multi-target stereotactic radiosurgery plans (SIMT-SRS) in Eclipse V18.0 with enhanced leaf model (ELM) using the anisotropic analyti...
Authors: Michael Ashenafi, Nicholas Becerra Espinosa, Mario Ramos Gallardo, Matthew Pacella, Sean M. Tanny
Affiliation: Department of Radiation Oncology, University of Rochester
Abstract Preview: Purpose: A new multileaf collimator (MLC) model has been introduced in Varian Eclipse v18.0, with the treatment planning system (TPS) explicitly modeling the leaf end effects. The vendor recommends a ...
Authors: Kenny Guida, Hongyu Jiang, Harold Li, Hem Bahadur Moktan Tamang
Affiliation: University of Nebraska Medical Center, Department of Radiation Oncology, University of Kansas Medical Center
Abstract Preview: Purpose: Varian Eclipse v18.0 introduced Enhanced Leaf Model (ELM) of MLC, which provides better dose calculation accuracy than original DLG-based MLC model. The leaf-gap (LG) parameter for ELM repres...
Authors: Nicole C. Detorie, Steven M. Kirsner, Remy Y. Manigold
Affiliation: Scripps Cancer Center
Abstract Preview: Purpose:
Dosimetric Leaf Gap (DLG) is an important factor in obtaining the proper beam model in the Eclipse treatment planning system. The purpose of this study was to investigate the dosimetric im...
Authors: D. Michael Lovelock, Charlotte Elizabeth Read, Ren-Dih Sheu, Jing Wang, Tingyu Wang
Affiliation: Icahn School of Medicine at Mount Sinai, Jersey Shore University Medical Center
Abstract Preview: Purpose:
Early Eclipse models use rectangular fluence profiles (widened by the dosimetric leaf gap (DLG) to account for the fact that leaf tips are rounded). Eclipse Version 18 (V18) uses enhanced ...