Abstract #4778
Clinical values of IFIR 4D MRA in evaluation of cerebral arteriovenous malformation
Akira Kunimatsu 1 , Yasushi Watanabe 2 , Naoyuki Takei 3 , Masaki Katsura 1 , Harushi Mori 1 , and Kuni Ohtomo 1
1
Department of Radiology, The University of
Tokyo, Tokyo, Japan,
2
Department
of Radiology, The University of Tokyo Hospital, Tokyo,
Japan,
3
Global
MR Applications and Workflow, GE Healthcare, Japan
We assessed clinical utilities of an ASL-based
non-contrast 4D MRA (inflow enhanced inversion recovery
(IFIR) 4D MRA) incorporated into routine MRI protocols
for patients with cerebral arteriovenous malformation
(AVM). Non-contrast IFIR 4D MRA has a high spatial
resolution almost equivalent to that of 3D TOF MRA and
also can provide a higher temporal resolution than
contrast-enhanced time-resolved MRA. Non-contrast IFIR
4D MRA was found to add hemodynamic information to 3D
TOF MRA and can be an alternative to contrast-enhanced
time-resolved MRA in evaluation of cerebral AVM.
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