‘3D’ MRI
•
True 3D volume rather than multiple 2D slices
•
A slab or multiple-slabs are selected
•
Phase encoding also in the ‘slice’ dimension
Through-plane resolution can be comparable to in-
plane
Phase wrap in ‘slice’ direction
•
SNR is improved, scan time longer
N
PE
×
TR
×
NEX
×
N
s