Abstract #3216

Retrospective Comparison of Brain Imaging in Patients at 0.55T and 1.5/3T

Anna Lavrova¹, John Kim¹, Remy Lobo¹, Maria Masotti², Jacob Richardson¹, Pedro Itriago-Leon³, Vikas Gulani¹, Katherine Wright¹, Ashok Srinivasan¹, and Nicole Seiberlich¹

¹Radiology, University of Michigan, Ann Arbor, MI, United States, ²Biostatistics, University of Michigan, Ann Arbor, MI, United States, ³Siemens Medical Solutions USA Inc., Houston, TX, United States

Synopsis

Keywords: Tumors, Low-Field MRIThis study aims to compare the image quality of clinical brain imaging on an FDA-approved commercial low-field 0.55T MRI scanner and conventional higher field 1.5/3T MRI systems. The image quality of 205 compatible image series in 30 patients acquired at 0.55T and 1.5T/3T MRI systems was rated by two neuroradiologists. Despite significant differences in image quality ratings between low- and higher-field scanners, all brain sequences performed at 0.55T received ratings indicating that they were acceptable for diagnostic use. This work indicates that the commercial 0.55T system can be used for routine brain imaging in clinical practice.

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