Overlap‐guided fixed‐patient support positioning optimization for cranial SRT

RL MacDonald, JL Robar, CG Thomas - Medical physics, 2017 - Wiley Online Library
Purpose To investigate potential dosimetric improvements through the optimization of fixed‐
couch rotational position in cranial cancer stereotactic treatments. Methods Using previously …

Dynamic trajectory‐based couch motion for improvement of radiation therapy trajectories in cranial SRT

R Lee MacDonald, CG Thomas - Medical physics, 2015 - Wiley Online Library
Purpose: To investigate potential improvement in external beam stereotactic radiation
therapy plan quality for cranial cases using an optimized dynamic gantry and patient support …

End-to-end testing of automatic plan optimization using RayStation scripting for hypofractionated multimetastatic brain stereotactic radiosurgery

EY Han, GY Kim, N Rebueno, DN Yeboa, TM Briere - Medical Dosimetry, 2019 - Elsevier
For external beam stereotactic radiosurgery of multiple brain metastatic lesions, it is difficult
to select optimal treatment isocenters because the orientation and volume of each planning …

Impact of patient positioning uncertainty in noncoplanar intracranial stereotactic radiotherapy

Y Tanaka, M Oita, S Inomata, T Fuse… - Journal of applied …, 2020 - Wiley Online Library
The aim of this study is to evaluate the patient positioning uncertainty in noncoplanar
stereotactic radiosurgery or stereotactic radiotherapy (SRS/SRT) for intracranial lesions with …

Evaluation of plan quality and treatment efficiency in cranial stereotactic radiosurgery treatment plans with a variable source‐to‐axis distance

C Church, RL MacDonald, D Parsons… - Medical physics, 2023 - Wiley Online Library
Introduction Radiotherapy deliveries with dynamic couch motions that shorten the source‐to‐
axis distance (SAD) on a C‐arm linac have the potential to increase treatment efficiency …

[引用][C] Deriving planning target volume margins for intracranial stereotactic radiation therapy

W Li, T Craig, Y Cho, A Wang… - International Journal of …, 2013 - redjournal.org
Results Over 5 patients, 20 000 simulations were performed for 4 radiation therapy
fractionation schedules using the RHF's∑ and σ uncertainties with and without image …

A case study comparing the relative benefit of optimizing beam weights, wedge angles, beam orientations and tomotherapy in stereotactic radiotherapy of the brain

M Oldham, VS Khoo, CG Rowbottom… - Physics in Medicine …, 1998 - iopscience.iop.org
A treatment-planning case study has been performed on a patient with a medium-sized,
convex brain tumour. The study involved the application of advanced treatment-plan …

Optimization of treatment isocenter location in single‐isocenter LINAC‐based stereotactic radiosurgery for management of multiple brain metastases

T Cui, Y Zhou, NJ Yue, I Vergalasova, Y Zhang… - Medical …, 2021 - Wiley Online Library
Purpose Single‐isocenter linear accelerator (LINAC)‐based stereotactic radiosurgery (SRS)
has become a promising treatment technique for the management of multiple brain …

Toward the combined optimization of dynamic axes (CODA) for stereotactic radiotherapy and radiosurgery using fixed couch trajectories

RL MacDonald, A Syme, B Little, L Ward… - Medical …, 2020 - Wiley Online Library
Purpose To develop a novel system for patient‐specific combined optimization of couch,
collimator, and gantry angles for use in volumetric modulated arc therapy (VMAT) treatment …

Online dosimetric evaluation of larynx SBRT: A pilot study to assess the necessity of adaptive replanning

W Mao, T Rozario, W Lu, X Gu, Y Yan… - Journal of applied …, 2017 - Wiley Online Library
Purpose We have initiated a multi‐institutional phase I trial of 5‐fraction stereotactic body
radiotherapy (SBRT) for Stage III–IVa laryngeal cancer. We conducted this pilot dosimetric …