MR-guided radiation therapy (MRgRT) has been running routine clinical practice. However, MRgRT requires robust imaging spatial integrity to achieve accurate dose calculations and high-quality plan ...
With the increasing interest in MRI-guided interventions, treatment accuracy requires more advanced QA tools to measure distortion and establish accepted thresholds. The QUASAR TM MRID 3D Geometric ...
Figure 1. Shown here is the same degree of pincushion (a positive geometric distortion) for a 4:3 aspect ratio image and a 16:9 aspect ratio image. The percentage of distortion is visibly greater in ...
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