Abstract #4662

Modified 3D T2W DRIVE sequence for high resolution inner ear imaging at 7T

Kingkarn Aphiwatthanasumet¹, Gerry O'Donoghue², Paul Glover¹, Xiao Liang^1,3, and Penny Gowland¹

¹Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, United Kingdom, ²Ear Nose and Throat, University of Nottingham, Nottingham, United Kingdom, ³Beijing University of Chemical Technology, People's Republic of China

Despite the promise of increased sensitivity, non-contrast-enhanced imaging of inner ear at 7T is challenging due to local variations in B1 and B0. Here we optimize T2-weighted scanning to improve image quality in the inner ear and evaluate the normal variation in the geometry of the cochlea using 3D T2W DRIVE sequence with dielectric pads and RF shimming. The resulting images show well-defined internal structure of the cochlea and the branches of cranial nerve.

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