… on the linac angle might not be available to the MR image reconstruction system, … trajectory
errors must be corrected since they affect the accuracy of the T 2 * estimates on MR-Linacs…

Background and purpose In this report, we describe our implementation and initial clinical
experience using 4D-MRI driven MR-guided online adaptive radiotherapy (MRgOART) for …

… The motion trajectory during 2D cine MR imaging was also measured using a template … 2D
cine MR imaging to the continuous motion trajectory detected during 2D cine MR imaging. In …

… RT) techniques that combine a MR-scanner with either a linear accelerator (MR-Linac)1-3 or
… is demonstrated26 not only through the trajectory path deflection of the secondary electrons …

… Motion phantom trajectories. Left: the first 30 s of the regular cos 4 motion trajectories, with
baselines −10 (blue), −5 (red), 0 (yellow), 5 (purple) and 10mm (green) with respect to the …

… using an ionization chamber in an MR-linac was assessed by … field; and AAPM TG51 correction
factor for voltage polarity and … Because the magnetic field influences the trajectory of ions, …

… -stars trajectory where all phase encodes along k z were scanned sequentially. The trajectory
has … on a 1.5 T MR-Linac, in six volunteers and multiple contrasts, that MR-RIDDLE reliably …

… trailing on a magnetic resonance (MR) linear accelerator (linac) can improve target coverage
… motion trajectories derived from cine-MRI acquired at the MR-Linac (see next subsection). …

… By using 3D MR-images the full trajectory of prostate intrafraction motion can be obtained.
In addition, information about the surrounding organs at risk can be extracted while the entire …

… the MR-linac beam against water calorimetry absolute dosimetry work performed by D'Souza
et al.15. In that work, the dose to water in an MR-linac… chamber in the MR-linac beam in the …