Abstract #2826

Whole brain adiabatic T1rho and Relaxation Along a Fictitious Field imaging in healthy volunteers: feasibility and initial findings

Aida Kiviniemi¹, Harri Merisaari¹, Marko Pesola¹, Timo Liimatainen², Hannu Juhani Aronen¹, and Ivan Jambor¹

¹University of Turku, Turku, Finland, ²A.I. Virtanen Institute for Molecular Sciences, Kuopio, Finland

The adiabatic T_1ρ and RAFF measurements, RAFF2 and RAFF4, were performed in 28 healthy volunteers (24-69 years) and four of them had repeated MR scan within 4 weeks to evaluate short term repeatability. The relative differences on the voxel level were below 5% in gray and white matter for all of the relaxation parameters except of T_RAFF4 in gray matter which was 7.3%. No statistically significant age related changes in white and gray matter were present as evaluated by adiabatic T_1ρ, RAFF2 and RAFF4 imaging.

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