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Results for "Michael Ashenafi": 3 found

Automation of Clinical Protocol Imports for Treatment Planning System Version Update Compatibility

Authors: Michael Ashenafi, Mario Ramos Gallardo, Amy Herman, Sean M. Tanny

Affiliation: Department of Radiation Oncology, University of Rochester

Abstract Preview: Purpose: Updates to the Varian Eclipse Treatment Planning System (TPS) have introduced new objects to replace pre-existing Clinical Protocols to aide clinicians in plan quality assessment. We have cre...

Evaluating the Impact of an Average Versus Machine-Specific Dosimetric Leaf Gap on Dose Calculation

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: The newest version of a large commercial treatment planning system (TPS) has introduced a new physical MLC model. We compare the impact of using an averaged dosimetric leaf gap (DLG) value ve...

Impact of Ion Chamber Selection on Enhanced Leaf Modeling Predictions of Dosimetric Leaf Gap and Leaf Transmission Factors

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 ...