Keywords: Bone, Perfusion, ASL, Knee, 7T, Ultrhigh FieldKnee epiphyseal bone marrow ASL imaging (called knee ASL imaging in the following) is challenging due to very low perfusion in epiphyseal yellow bone marrow mainly consisting of fat cells with a sparse network of capillaries. In general, it is known that higher magnetic fields (i.e. ≥7T) can specifically benefit ASL imaging. However, the specific potential benefits in the knee have not been systematically evaluated to date. We have performed theoretical simulations to explore the potential gain for knee ASL imaging at 7T compared to 3T and present our preliminary experimental results comparing both field strengths.
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