Article Figures & Data
Figures
- Fig 1.
SSFP image in human volunteer. The image was produced in 253 milliseconds (four frames per second), with the following parameters: TR/TE, 4.4/2.2/90; flip angle, 192 × 256; section thickness, 10 mm; FOV, 200 mm; 80% reduced FOV; 60% image; and 50% keyhole. Note the paucity of CSF pulsation artifact or magnetic susceptibility effects at the skull base.
- Fig 2.
A 3F catheter (curved arrow) and 0.014-inch guidewire (straight arrow) are in the pontine cistern. Note that magnetic susceptibility artifact allows adequate visualization of the microguidewire.
- Fig 3.
The 3F microcatheter (arrow) traverses cerebellopontine angle.
- Fig 4.
The catheter-guidewire (curved arrows) is advanced through prepontine cistern; it impacts the posterior clinoid process (straight arrows) and buckles in the pontine cistern. The catheter-guidewire is then redirected to suprasellar cistern and advanced to the left sylvian fissure (arrowhead).
- Fig 5.
A 5F catheter (arrow) contacts the vertebral artery (arrowhead).
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