Abstract #3080
MR performance of an MR-Linac prototype
Panu Vesanen 1 , Jukka Tanttu 1 , Juha Oila 1 , Tiina Nsi 1 , Annemaria Halkola 1 , Tero Virta 1 , Falk Uhlemann 2 , Johan Overweg 2 , and Jarmo Ruohonen 1
1
MR Therapy, Philips Healthcare, Vantaa,
Finland,
2
Philips
Innovative Technologies, Hamburg, Germany
In treatment of cancer by conventional radiotherapy,
motion of the target and nearby organs limits the
accuracy of the treatment delivery. A combined MRI and
linear accelerator system (MR-Linac) aims to reduce
these inaccuracies by providing image guidance with
excellent soft-tissue contrast. In this abstract, MR
performance of an industry-built 1.5T MR-Linac prototype
was evaluated by comparing the image quality to that
obtained with a commercially available 1.5T scanner.
Pelvis, abdomen, and head & neck anatomies of 20 healthy
volunteers were studied. No significant differences in
the image quality or SNR were found.
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