7T)
allowing for improved angiographic contrast and higher
spatial resolution. However, high-resolution TOF at 7T
is associated with challenges: higher resolution
requires longer acquisition and despite stronger
contrast, the latter is spatially heterogeneous due to
shorter RF wavelength at 7T. Previously, we have
addressed spatial heterogeneity by utilizing a
16-channel pTX system together with spoke RF pulses. In
this work we aim to address both challenges,
heterogeneity AND acquisition time by applying a pTX
multi-band technique on a 16-channel pTX system to
simultaneously excite multiple TOF slabs while achieving
homogeneous contrast.
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