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Abstract #4303

Low-loss high-permittivity blocks improves the signal-to-noise ratio of surface coils at 3 Tesla

Thomas O'Reilly1, Wyger Brink1, and Andrew Webb1

1C.J. Gorter Center, Dept. Radiology, Leiden University Medical Center, Leiden, Netherlands

The performance of surface coils for proton imaging at 3 Tesla can be improved by placing low-loss high-permittivity blocks at the centre of the surface coil. The signal-to-noise ratio in a human calf of a coil with integrated dielectric block is 25% higher close to the coil and performs comparably well compared to a standard surface coil at depths exceeding 6 cm providing a simple and effective way of improving surface coil performance.

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