Abstract #4494
Through-plane dark-rim artefacts in 3D first-pass perfusion
Merlin J Fair 1,2 , Peter D Gatehouse 1,2 , and David N Firmin 1,2
1
NHLI, Imperial College London, London,
United Kingdom,
2
NIHR
Cardiovascular BRU, Royal Brompton Hospital, London,
United Kingdom
Whilst dark-rim artefacts have been studied in 2D
first-pass perfusion, they could also have the potential
to be produced in the through-plane direction of 3D
first-pass perfusion due to the typically coarse
resolution employed in the second phase-encoding
direction. An examination of the potential for this
Gibbs truncation effect, and its relationship to the
also troubling partial-volume effect, is studied in
conical and anatomical numerical phantoms as well as a
representative in-vivo dataset.
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