We combined 3D radial sequences using stack-of-stars acquisition with uTE sampling to enable short-time imaging of local areas. This study was to apply uTE sequences using 3D radial stack-of-stars collection to MRA to determine its usefulness as a follow-up MRA after treatment of cerebral aneurysms metallic devices. The range of signal reduction around the treated area was significantly smaller in the uTE-MRA than in the TOF-MRA. uTE-MRA improved the visualization of peri-aneurysm vessels and neck remnant in the metallic devices. uTE-MRA using 3D radial stack-of-stars collection is useful for follow-up MRA after treatment of cerebral aneurysms metallic devices.
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