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Abstract #1259

High resolution T 1 -mapping in human wrist cartilage with a SAR and SENSE optimized coil at 7T

Mark W. J. M. Gosselink 1 , Joep van Oorschot 1 , Alexandra de Rotte 1 , Fredy Visser 1 , Peter R Luijten 1 , Mies A Korteweg 2 , Hanneke J. J. Bluemink 1 , and Dennis W. J. Klomp 1

1 Radiology, UMC Utrecht, Utrecht, Utrecht, Netherlands, 2 Radiology, AMC Amsterdam, Amsterdam, Noord-Holland, Netherlands

The classification of cartilage in the wrist by means of T 1 lower case Greek rho MRI requires ultra-high spatial resolutions. While T 1 lower case Greek rho sequences coincide with long and strong B1+ fields, we demonstrate that a SAR optimized coil can provide uncompromised T 1 lower case Greek rho MRI of the wrist even at 7T. Demonstrated with strong and uniform spin locking fields, combined with 32 channel receivers, quantified 0.5 mm isotropic T 1 lower case Greek rho are obtained of cartilage in the wrist.

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