Simultaneous T2-weighted Real-time MRI of 2 Orthogonal Slices
Samantha Hickey1, Andreas Reichert1, Thomas Bortfeld2, and Michael Bock1
1Dept. of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany, 2Division of Radiation Biophysics, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
In cancer radiotherapy, MR-guidance allows for superior tumor visualization and real-time target volume tracking. Real-time pulse sequences for MR-guidance require high acquisition speeds and good tumor-to-background contrast, which is often achieved with T2-weighted acquisitions. Here, we combine a real-time sequence with orthogonal slices with a T2w echo-shifted contrast and demonstrate its use under breathhold and free-breathing conditions in a volunteer.
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