Silvan Mueller
YOU?
Author Swipe
View article: Simultaneous optimization of multiple plans within one treatment course with dosimetric pathfinding for temporally feathered radiation therapy
Simultaneous optimization of multiple plans within one treatment course with dosimetric pathfinding for temporally feathered radiation therapy Open
Background Radiotherapy workflows conventionally deliver one treatment plan multiple times throughout the treatment course. Non‐coplanar techniques with beam angle optimization or dosimetrically optimized pathfinding (DOP) exploit addition…
View article: Dosimetric optimization for dynamic mixed beam arc therapy (DYMBARC)
Dosimetric optimization for dynamic mixed beam arc therapy (DYMBARC) Open
Background Non‐coplanarity and mixed beam modality could be combined to further enhance dosimetric treatment plan quality. We introduce dynamic mixed beam arc therapy (DYMBARC) as an innovative technique that combines non‐coplanar photon a…
View article: A dosimetrically motivated pathfinding approach for non-isocentric dynamic trajectory radiotherapy
A dosimetrically motivated pathfinding approach for non-isocentric dynamic trajectory radiotherapy Open
Objective. Non-isocentric dynamic trajectory radiotherapy (DTRT) involves dynamic table translations in synchrony with intensity modulation and dynamic gantry, table, and/or collimator rotation. This work aims to develop and evaluate a nov…
View article: Robust optimization and assessment of dynamic trajectory and mixed-beam arc radiotherapy: a preliminary study
Robust optimization and assessment of dynamic trajectory and mixed-beam arc radiotherapy: a preliminary study Open
Objective. Dynamic trajectory radiotherapy (DTRT) and dynamic mixed-beam arc therapy (DYMBARC) exploit non-coplanarity and, for DYMBARC, simultaneously optimized photon and electron beams. Margin concepts to account for set-up uncertaintie…
View article: Organs-at-risk dose and normal tissue complication probability with dynamic trajectory radiotherapy (DTRT) for head and neck cancer
Organs-at-risk dose and normal tissue complication probability with dynamic trajectory radiotherapy (DTRT) for head and neck cancer Open
We compared dynamic trajectory radiotherapy (DTRT) to state-of-the-art volumetric modulated arc therapy (VMAT) for 46 head and neck cancer cases. DTRT had lower dose to salivary glands and swallowing structure, resulting in lower predicted…
View article: Dosimetrically motivated beam‐angle optimization for non‐coplanar arc radiotherapy with and without dynamic collimator rotation
Dosimetrically motivated beam‐angle optimization for non‐coplanar arc radiotherapy with and without dynamic collimator rotation Open
Background Non‐coplanar techniques have shown to improve the achievable dose distribution compared to standard coplanar techniques for multiple treatment sites but finding optimal beam directions is challenging. Dynamic collimator trajecto…
View article: Delivery time reduction for mixed photon-electron radiotherapy by using photon MLC collimated electron arcs
Delivery time reduction for mixed photon-electron radiotherapy by using photon MLC collimated electron arcs Open
Objective . Electron arcs in mixed-beam radiotherapy (Arc-MBRT) consisting of intensity-modulated electron arcs with dynamic gantry rotation potentially reduce the delivery time compared to mixed-beam radiotherapy containing electron beams…
View article: Technical note: A collision prediction tool using Blender
Technical note: A collision prediction tool using Blender Open
Non‐coplanar radiotherapy treatment techniques on C‐arm linear accelerators have the potential to reduce dose to organs‐at‐risk in comparison with coplanar treatment techniques. Accurately predicting possible collisions between gantry, tab…
View article: Impact of the gradient in gantry‐table rotation on dynamic trajectory radiotherapy plan quality
Impact of the gradient in gantry‐table rotation on dynamic trajectory radiotherapy plan quality Open
Background To improve organ at risk (OAR) sparing, dynamic trajectory radiotherapy (DTRT) extends VMAT by dynamic table and collimator rotation during beam‐on. However, comprehensive investigations regarding the impact of the gantry‐table …
View article: Technical note: Feasibility of gating for dynamic trajectory radiotherapy – Mechanical accuracy and dosimetric performance
Technical note: Feasibility of gating for dynamic trajectory radiotherapy – Mechanical accuracy and dosimetric performance Open
Background Dynamic trajectory radiotherapy (DTRT) extends state‐of‐the‐art volumetric modulated arc therapy (VMAT) by dynamic table and collimator rotations during beam‐on. The effects of intrafraction motion during DTRT delivery are unkno…
View article: Auto-commissioning of a Monte Carlo electron beam model with application to photon MLC shaped electron fields
Auto-commissioning of a Monte Carlo electron beam model with application to photon MLC shaped electron fields Open
Objective. Presently electron beam treatments are delivered using dedicated applicators. An alternative is the usage of the already installed photon multileaf collimator (pMLC) enabling efficient electron treatments. Currently, the commiss…
View article: Efficiency enhancements of a Monte Carlo beamlet based treatment planning process: implementation and parameter study
Efficiency enhancements of a Monte Carlo beamlet based treatment planning process: implementation and parameter study Open
Objective. The computational effort to perform beamlet calculation, plan optimization and final dose calculation of a treatment planning process (TPP) generating intensity modulated treatment plans is enormous, especially if Monte Carlo (M…
View article: Enabling non-isocentric dynamic trajectory radiotherapy by integration of dynamic table translations
Enabling non-isocentric dynamic trajectory radiotherapy by integration of dynamic table translations Open
Objective. The purpose of this study is to develop a treatment planning process (TPP) for non-isocentric dynamic trajectory radiotherapy (DTRT) using dynamic gantry rotation, collimator rotation, table rotation, longitudinal, vertical and …
View article: Organ-at-risk sparing with dynamic trajectory radiotherapy for head and neck cancer: comparison with volumetric arc therapy on a publicly available library of cases
Organ-at-risk sparing with dynamic trajectory radiotherapy for head and neck cancer: comparison with volumetric arc therapy on a publicly available library of cases Open
Background Dynamic trajectory radiotherapy (DTRT) extends volumetric modulated arc therapy (VMAT) with dynamic table and collimator rotation during beam-on. The aim of the study is to establish DTRT path-finding strategies, demonstrate del…
View article: Development of a Monte Carlo based robustness calculation and evaluation tool
Development of a Monte Carlo based robustness calculation and evaluation tool Open
Background Evaluating plan robustness is a key step in radiotherapy. Purpose To develop a flexible Monte Carlo (MC)‐based robustness calculation and evaluation tool to assess and quantify dosimetric robustness of intensity‐modulated radiot…
View article: A hybrid column generation and simulated annealing algorithm for direct aperture optimization
A hybrid column generation and simulated annealing algorithm for direct aperture optimization Open
The purpose of this work was to develop a hybrid column generation (CG) and simulated annealing (SA) algorithm for direct aperture optimization (H-DAO) and to show its effectiveness in generating high quality treatment plans for intensity …
View article: Implementation and experimental validation of a robust hybrid direct aperture optimization approach for mixed‐beam radiotherapy
Implementation and experimental validation of a robust hybrid direct aperture optimization approach for mixed‐beam radiotherapy Open
Purpose The objectives of the work presented in this paper were to (1) implement a robust‐optimization method for deliverable mixed‐beam radiotherapy (MBRT) plans within a previously developed MBRT planning framework; (2) perform an experi…