Sidewall aneurysm of the left vertebral artery (A).

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Presentation transcript:

Sidewall aneurysm of the left vertebral artery (A). Sidewall aneurysm of the left vertebral artery (A). Gradual deployment of the FRED device (B and C). Note delayed washout of contrast right after deployment (E) and good visualization of the flow diverter on 2D and 3D imaging (D, F–H) (3D imaging acquired with flat panel CT). D and G, The overall (4 markers at each end) and working length (radiopaque “double helix”) are illustrated. H. Luecking et al. AJNR Am J Neuroradiol 2017;38:596-602 ©2017 by American Society of Neuroradiology