[HTML][HTML] MRI-guided lung SBRT: present and future developments

MJ Menten, A Wetscherek, MF Fast - Physica Medica, 2017 - Elsevier
Stereotactic body radiotherapy (SBRT) is rapidly becoming an alternative to surgery for the
treatment of early-stage non-small cell lung cancer patients. Lung SBRT is administered in a …

Role and future of MRI in radiation oncology

IJ Das, KP McGee, N Tyagi… - The British journal of …, 2019 - academic.oup.com
Technical innovations and developments in areas such as disease localization, dose
calculation algorithms, motion management and dose delivery technologies have …

Report of AAPM Task Group 155: megavoltage photon beam dosimetry in small fields and non‐equilibrium conditions

IJ Das, P Francescon, JM Moran, A Ahnesjö… - Medical …, 2021 - Wiley Online Library
Small‐field dosimetry used in advance treatment technologies poses challenges due to loss
of lateral charged particle equilibrium (LCPE), occlusion of the primary photon source, and …

Reference dosimetry in magnetic fields: formalism and ionization chamber correction factors

DJ O'Brien, DA Roberts, GS Ibbott… - Medical …, 2016 - Wiley Online Library
Purpose: Magnetic resonance imaging–guided radiotherapy (MRIgRT) provides superior
soft‐tissue contrast and real‐time imaging compared with standard image‐guided RT, which …

Integrating a low-field open MR scanner with a static proton research beam line: proof of concept

SM Schellhammer, AL Hoffmann, S Gantz… - Physics in Medicine …, 2018 - iopscience.iop.org
On-line image guidance using magnetic resonance (MR) imaging is expected to improve the
targeting accuracy of proton therapy. However, to date no combined system exists. In this …

Performance of the HYPERSCINT scintillation dosimetry research platform for the 1.5 T MR-linac

P Uijtewaal, B Côté, T Foppen, W de Vries… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. Adaptive radiotherapy techniques available on the MR-linac, such as daily plan
adaptation, gating, and dynamic tracking, require versatile dosimetric detectors to validate …

Relative dosimetry with an MR‐linac: response of ion chambers, diamond, and diode detectors for off‐axis, depth dose, and output factor measurements

DJ O'Brien, J Dolan, S Pencea, N Schupp… - Medical …, 2018 - Wiley Online Library
Purpose The purpose of this study was to acquire beam data for an MR‐linac, with and
without a 1.5 T magnetic field, by using a variety of commercially available detectors to …

Charged particle transport in magnetic fields in EGSnrc

VN Malkov, DWO Rogers - Medical physics, 2016 - Wiley Online Library
Purpose: To accurately and efficiently implement charged particle transport in a magnetic
field in EGSnrc and validate the code for the use in phantom and ion chamber simulations …

Proton beam deflection in MRI fields: implications for MRI‐guided proton therapy

BM Oborn, S Dowdell, PE Metcalfe, S Crozier… - Medical …, 2015 - Wiley Online Library
Purpose: This paper investigates, via magnetic modeling and Monte Carlo simulation, the
ability to deliver proton beams to the treatment zone inside a split‐bore MRI‐guided proton …

Magnetic fields are causing small, but significant changes of the radiochromic EBT3 film response to 6 MV photons

B Delfs, AA Schoenfeld, D Poppinga… - Physics in Medicine …, 2018 - iopscience.iop.org
The optical density (OD) of EBT3 radiochromic films (Ashland Specialty Ingredients,
Bridgewater, NJ, USA) exposed to absorbed doses to water up to D= 20 Gy in magnetic …