ACPSEM position paper: dosimetry for magnetic resonance imaging linear accelerators

[1]  G. de Vine,et al.  Commissioning measurements on an Elekta Unity MR-Linac , 2021, Physical and Engineering Sciences in Medicine.

[2]  J. Lagendijk,et al.  Acceptance procedure for the linear accelerator component of the 1.5 T MRI‐linac , 2021, Journal of applied clinical medical physics.

[3]  B. Poppe,et al.  The dose response of PTW microDiamond and microSilicon in transverse magnetic field under small field conditions , 2021, Physics in medicine and biology.

[4]  S. Duane,et al.  Traceable reference dosimetry in MRI guided radiotherapy using alanine: calibration and magnetic field correction factors of ionisation chambers , 2021, Physics in medicine and biology.

[5]  B. Poppe,et al.  The role of the construction and sensitive volume of compact ionization chambers on the magnetic field-dependent dose response. , 2021, Medical physics.

[6]  Hannah J. Lee,et al.  Machine QA for the Elekta Unity system: A Report from the Elekta MR‐linac consortium , 2021, Medical physics.

[7]  D. Thorwarth,et al.  Experimental determination of magnetic field correction factors for ionization chambers in parallel and perpendicular orientations , 2020, Physics in medicine and biology.

[8]  B. Poppe,et al.  The dose response of high-resolution diode-type detectors and the role of their structural components in strong magnetic field. , 2020, Medical Physics (Lancaster).

[9]  D. Thorwarth,et al.  Influence of beam quality on reference dosimetry correction factors in magnetic resonance guided radiation therapy , 2020, Physics and imaging in radiation oncology.

[10]  A. Sahgal,et al.  Water calorimetry in MR-linac: Direct measurement of absorbed dose and determination of chamber KQ mag. , 2020, Medical physics.

[11]  C. K. Spindeldreier,et al.  Direct determination of kB⃗,Q,Q0 for cylindrical ionization chambers in a 6 MV 0.35 T MR-linac , 2020, Physics in medicine and biology.

[12]  S. Duane,et al.  Reference dosimetry in MRI-linacs: evaluation of available protocols and data to establish a Code of Practice , 2020, Physics in medicine and biology.

[13]  Sridhar Yaddanapudi,et al.  Commissioning of a 1.5T Elekta Unity MR‐linac: A single institution experience , 2020, Journal of applied clinical medical physics.

[14]  S. Duane,et al.  Alanine dosimetry in strong magnetic fields: use as a transfer standard in MRI-guided radiotherapy , 2020, Physics in medicine and biology.

[15]  F. Ballester,et al.  Determination of consensus kQ values for megavoltage photon beams for the update of IAEA TRS-398 , 2020, Physics in medicine and biology.

[16]  P. Keall,et al.  Technical Note: Experimental characterization of the dose deposition in parallel MRI-linacs at various magnetic field strengths. , 2019, Medical physics.

[17]  P. Yadav,et al.  Characterization and longitudinal assessment of daily quality assurance for an MR‐guided radiotherapy (MRgRT) linac , 2019, Journal of applied clinical medical physics.

[18]  Jarrad Begg,et al.  Dosimetry needs for MRI-linacs , 2019, Journal of Physics: Conference Series.

[19]  Todd D. Greenberg,et al.  ACR guidance document on MR safe practices: Updates and critical information 2019 , 2019, Journal of magnetic resonance imaging : JMRI.

[20]  D. Thorwarth,et al.  A finite element method for the determination of the relative response of ionization chambers in MR-linacs: simulation and experimental validation up to 1.5 T , 2019, Physics in medicine and biology.

[21]  J. Wolthaus,et al.  Direct measurement of ion chamber correction factors, kQ and kB, in a 7 MV MRI-linac , 2019, Physics in medicine and biology.

[22]  Sebastian Klüter,et al.  Technical design and concept of a 0.35 T MR-Linac , 2019, Clinical and translational radiation oncology.

[23]  J. Wolthaus,et al.  Commissioning of a water calorimeter as a primary standard for absorbed dose to water in magnetic fields , 2019, Physics in medicine and biology.

[24]  Geoffrey G. Zhang,et al.  A Method to Determine the Coincidence of MRI-Guided Linac Radiation and Magnetic Isocenters , 2019, Technology in cancer research & treatment.

[25]  Ahmed Meghzifene,et al.  Dosimetry of small static fields used in external photon beam radiotherapy: Summary of TRS‐483, the IAEA–AAPM international Code of Practice for reference and relative dose determination , 2018, Medical physics.

[26]  P Keall,et al.  Imaging performance of a dedicated radiation transparent RF coil on a 1.0 Tesla inline MRI-linac , 2018, Physics in medicine and biology.

[27]  B W Raaymakers,et al.  A formalism for reference dosimetry in photon beams in the presence of a magnetic field , 2018, Physics in medicine and biology.

[28]  Carri Glide-Hurst,et al.  Evaluation of a magnetic resonance guided linear accelerator for stereotactic radiosurgery treatment. , 2018, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

[29]  S. Duane,et al.  Absolute Calibration of the Elekta Unity MR Linac Using the UK Code of Practice for High-Energy Photon Dosimetry , 2018, IFMBE Proceedings.

[30]  J. Lagendijk,et al.  Spiraling contaminant electrons increase doses to surfaces outside the photon beam of an MRI-linac with a perpendicular magnetic field , 2018, Physics in medicine and biology.

[31]  S Pencea,et al.  Beam characterisation of the 1.5 T MRI-linac , 2018, Physics in medicine and biology.

[32]  D W O Rogers,et al.  Monte Carlo study of ionization chamber magnetic field correction factors as a function of angle and beam quality , 2018, Medical physics.

[33]  G. Sawakuchi,et al.  Relative dosimetry with an MR‐linac: Response of ion chambers, diamond, and diode detectors for off‐axis, depth dose, and output factor measurements , 2018, Medical physics.

[34]  B. Mijnheer,et al.  Characterization of the a-Si EPID in the unity MR-linac for dosimetric applications , 2018, Physics in medicine and biology.

[35]  A N T J Kotte,et al.  First patients treated with a 1.5 T MRI-Linac: clinical proof of concept of a high-precision, high-field MRI guided radiotherapy treatment , 2017, Physics in medicine and biology.

[36]  Paul J Keall,et al.  Experimental verification of dose enhancement effects in a lung phantom from inline magnetic fields. , 2017, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

[37]  Stuart Crozier,et al.  Future of medical physics: Real‐time MRI‐guided proton therapy , 2017, Medical physics.

[38]  C P Karger,et al.  Radiation dosimetry in magnetic fields with Farmer-type ionization chambers: determination of magnetic field correction factors for different magnetic field strengths and field orientations , 2017, Physics in medicine and biology.

[39]  G. Sawakuchi,et al.  Monte Carlo study of the chamber‐phantom air gap effect in a magnetic field , 2017, Medical physics.

[40]  S. Duane,et al.  Quantification of static magnetic field effects on radiotherapy ionization chambers , 2017, Physics in medicine and biology.

[41]  Rebecca Fahrig,et al.  Performance of a clinical gridded electron gun in magnetic fields: Implications for MRI-linac therapy. , 2016, Medical physics.

[42]  G. Ibbott,et al.  Reference dosimetry in magnetic fields: formalism and ionization chamber correction factors. , 2016, Medical physics.

[43]  J. Lagendijk,et al.  Consequences of air around an ionization chamber: Are existing solid phantoms suitable for reference dosimetry on an MR-linac? , 2016, Medical physics.

[44]  P J Keall,et al.  Dose enhancement in radiotherapy of small lung tumors using inline magnetic fields: A Monte Carlo based planning study. , 2015, Medical physics.

[45]  P. Sharpe,et al.  Evaluation of alanine as a reference dosimeter for therapy level dose comparisons in megavoltage electron beams , 2015 .

[46]  B. Fallone,et al.  The rotating biplanar linac-magnetic resonance imaging system. , 2014, Seminars in radiation oncology.

[47]  Jan J W Lagendijk,et al.  The magnetic resonance imaging-linac system. , 2014, Seminars in radiation oncology.

[48]  Sasa Mutic,et al.  The ViewRay system: magnetic resonance-guided and controlled radiotherapy. , 2014, Seminars in radiation oncology.

[49]  Stuart Crozier,et al.  The Australian magnetic resonance imaging-linac program. , 2014, Seminars in radiation oncology.

[50]  B W Raaymakers,et al.  Towards reference dosimetry for the MR-linac: magnetic field correction of the ionization chamber reading , 2013, Physics in medicine and biology.

[51]  E. Kanal,et al.  ACR guidance document on MR safe practices: 2013 , 2013, Journal of magnetic resonance imaging : JMRI.

[52]  B G Fallone,et al.  Skin dose in longitudinal and transverse linac-MRIs using Monte Carlo and realistic 3D MRI field models. , 2012, Medical physics.

[53]  P J Keall,et al.  Electron contamination modeling and skin dose in 6 MV longitudinal field MRIgRT: Impact of the MRI and MRI fringe field. , 2012, Medical physics.

[54]  Rebecca Fahrig,et al.  A study of the effect of in-line and perpendicular magnetic fields on beam characteristics of electron guns in medical linear accelerators. , 2011, Medical physics.

[55]  B G Fallone,et al.  Effect of transverse magnetic fields on a simulated in-line 6 MV linac , 2010, Physics in medicine and biology.

[56]  B W Raaymakers,et al.  Dosimetry for the MRI accelerator: the impact of a magnetic field on the response of a Farmer NE2571 ionization chamber , 2009, Physics in medicine and biology.

[57]  B W Raaymakers,et al.  Integrating a MRI scanner with a 6 MV radiotherapy accelerator: impact of the surface orientation on the entrance and exit dose due to the transverse magnetic field , 2007, Physics in medicine and biology.

[58]  B W Raaymakers,et al.  Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose increase at tissue–air interfaces in a lateral magnetic field due to returning electrons , 2005, Physics in medicine and biology.

[59]  A N T J Kotte,et al.  Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose deposition in a transverse magnetic field. , 2004, Physics in medicine and biology.

[60]  D. Rogers,et al.  AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon and electron beams. , 1999, Medical physics.

[61]  A F Bielajew,et al.  The effect of strong longitudinal magnetic fields on dose deposition from electron and photon beams. , 1993, Medical physics.

[62]  A Wambersie,et al.  What degree of accuracy is required and can be achieved in photon and neutron therapy? , 1987, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

[63]  Mathias Voss 1 Introduction , 2021, Defence in a Changing World.

[64]  L. Holloway,et al.  Technical Note: Penumbral width trimming in solid lung dose profiles for 0.9 and 1.5 T MRI‐Linac prototypes , 2018, Medical physics.

[65]  P. Andreo,et al.  Absorbed Dose Determination in External Beam Radiotherapy: An International Code of Practice for Dosimetry based on Standards of Absorbed Dose to Water , 2001 .

[66]  Test Method for Measurement of Magnetically Induced Displacement Force on Medical Devices in the Magnetic Resonance Environment , 2022 .