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Results for "millennium mlc": 6 found

Automated Treatment Planning for Linac-Based Stereotactic Radiosurgery of Intraocular Malignancies Via Hyperarc Knowledge-Based Planning

Authors: Chase Cochran, Shane McCarthy, Damodar Pokhrel, William St Clair

Affiliation: University of Kentucky, Department of Radiation Medicine, University of Kentucky, Radiation Medicine

Abstract Preview: Purpose: Manually generating intraocular stereotactic radiosurgery (SRS) plans involves significant challenges, including lengthy planning times and inter-planner variability. Knowledge-based SRS plan...

Clinical Validation of Fully Automated Script for Plan Conversion between Linacs with Different Mlc Model

Authors: David L. Barbee, Paulina E. Galavis, Lena Adel Samad, Jose R. Teruel Antolin

Affiliation: NYU, NYU Langone Health

Abstract Preview: Purpose: To validate an automated script that converts treatment plans of varying Varian MLC models

Methods: A C# script was developed using the Eclipse Scripting API to convert treatment plans...

Quantitative Evaluation of Eclipse’s (V18) Ability to Address Dosimetric Leaf Gap Variations

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 ...

Total Body Irradiation Using Field-in-Field Treatment Planning Techniques

Authors: Kazi Towmim Afrin, Imad M. Ali, Jordan West

Affiliation: University of Oklahoma Health Sciences Center, University of Oklahoma

Abstract Preview: Purpose: To simulate total-body-irradiation (TBI) with field-in-field treatment planning techniques and test portal dosimetry for dose verification and quality assurance.
Methods: CT images of full...

Treatment Machine Matching for ELM in Eclipse v18.0 By Adjusting Physical Leaf Gap

Authors: Quyen Duong, Si Young Jang, Soyoung Lee, Samuel Ming Ho Luk

Affiliation: Boston University, Department of Radiation Oncology, University of Vermont Medical Center, Boston Medical Center

Abstract Preview: Purpose: To investigate the clinical impact of physical MLC gaps changes with Millennium 120 MLC on Enhanced Leaf Modeling (ELM) and patient plans, and to establish a new MLC model in Eclipse v18.0 on...

Treatment Plan Comparisons of Head and Neck Cancers on Varian Ethos/Halcyon and Truebeam Linac

Authors: Yunfeng Cui, Joseph P. Kowalski, Qiuwen Wu, Yibo Xie

Affiliation: Duke University, Duke University Medical Center

Abstract Preview: Purpose: A Varian Ethos/Halcyon linac was recently commissioned in our clinic and was used to treat head and neck cancer patients. The purpose of this study is to compare treatment plan quality and de...