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FIG 3. A, Fusiform aneurysm of the distal vertebral artery (arrows) measuring 10.6 mm in length, with the posterior inferior cerebellar artery arising from the distal portion of the aneurysm (curved arrow).
B, Enterprise stent has been placed across the aneurysm, a microcatheter (white arrow) is in the aneurysm, and a balloon (black arrows) is placed across the stent to ensure that the coils remain within the aneurysm and outside the parent artery.
C, A total of eight Orbit coils were placed into the aneurysm, with occlusion of the lower two-thirds of the aneurysm and preservation of the upper one-third to preserve blood flow to the posterior inferior cerebellar artery (arrow).
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