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Abstract #3875

High resolution imaging of pelvic lymph nodes at 7 Tesla

Bart W.J. Philips1, Stephan Orzada2, Ansje Fortuin1, Marnix C. Maas1, and Tom W.J. Scheenen1,2

1Radiology and Nuclear Medicine, Radboud University Medical Centre, Nijmegen, Netherlands, 2Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany

MRI of the pelvis at a high spatial resolution has potential to assess lymph node status in oncological diseases. We propose to use spectrally selective 3D gradient echo imaging in combination with TIAMO at 7 Tesla to improve upon spatial resolution using the SNR increase that ultra high field MRI provides. The method is shown to robustly obtain homogeneous, large FOV body imaging of the pelvic lymph nodes with a spatial resolution of 0.66x0.66x0.66 mm3, both for T2* weighted as well as lipid selective imaging.

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