Abstract #0720
Simultaneous acquisition of perfusion maps and 4D MR angiography by means of arterial spin labeling MRI
Yuriko Suzuki 1 , Wouter M Teeuwisse 2 , Sophie Schmid 2 , Peter Koken 3 , Marc Van Cauteren 4 , Michael Helle 3 , and Matthias JP van Osch 2
1
Philips Electronics Japan, Minato-ku, Tokyo,
Japan,
2
C.J.Gorter
Center for High Field MRI, Departement of Radiology,
Leiden University Medical Center, Leiden, Netherlands,
3
Philips
Research Laboratories, Hamburg, Germany,
4
Philips
Healthcare Asia Pasific, Tokyo, Japan
Both 4D magnetic resonance angiography (4D-MRA) and
perfusion imaging have proved their value in the
characterization of hemodynamic pathology in
cerebrovascular disease, and their complementary
information provides a complete picture of the
hemodynamic status, which may prove especially important
in conditions such as acute stroke. In this study, we
propose the simultaneous acquisition of ASL-based
perfusion image and MRA by combining a time-encoded ASL
preparation with two sequential readout modules which
have different spatial resolution: a high-resolved
sequence for 4D MRA immediately followed by low
resolution sequence for perfusion imaging.
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