Article Figures & Data
Figures
- Fig 1.
A, Patient 5 with a 6 × 4 mm unruptured AcomA aneurysm. B, A WEB-SL (7 × 3 mm) is opened inside the sac, with good aneurysm wall apposition and without impacting the branching vessels. However, after deployment, a protrusion occurred in the right A2 segment, leading to a stenosis (white arrowhead). C, A laser-cut Neuroform Atlas stent (3 × 20 mm) is then delivered to protect the caliber of the artery (white arrowhead). D, A final VasoCT confirms the satisfactory position and wall apposition of the stent and the WEB. E, Twelve-month DSA follow-up shows complete occlusion of the aneurysm.
- Fig 2.
A, Right ICA angiography depicting a 9 × 10 mm PcomA unruptured aneurysm. A fetal variant of the PcomA arises from the aneurysm (red arrows). B, A WEB-SL (10 × 5 mm) was delivered inside the sac, intentionally undersized with respect to the origin of the fetal PcomA. Subsequently, a PED, 3.5 × 18 mm, was implanted from the right ICA to the right M1, covering the aneurysm neck, the PcomA, and the right A1. C, Flat panel CT reconstruction shows successful WEB and flow-diverter implantation and correct vessel wall apposition. D, Fifteen-month DSA follow-up shows complete occlusion of the aneurysm and the narrowing of the covered right A1 (white arrowheads).
- Fig 3.
A, Patient 3 with a left large (14 × 7 mm) unruptured aneurysm originating from the MCA bifurcation and another small unruptured aneurysm of the AcomA (white arrowhead). B, The MCA aneurysm, initially treated with a WEB-SL (9 × 6 mm), presents with a large recanalization (red arrowhead) due to WEB compaction. C, VasoCT shows the retreatment with a second WEB-SL (9 × 6 mm) associated with 2 Y-configurated LEO baby stents (2 × 18 mm) deployed from the M1 to the superior and inferior M2 branches (small white arrows). The first WEB appears compacted (small red arrow). D, Thirty-six-month DSA follow-up shows complete occlusion of the aneurysm. Both M2 branches are normal in caliber. The small AcomA aneurysm was coiled in another treatment session (white arrowhead).
- Fig 4.
A, Patient 13 with a 5 × 4 mm unruptured nonbifurcation aneurysm arising from the wall of the distal portion of the angular artery (right MCA). B, VasoCT depicts the correct deployment of a WEB-SL (6 × 3 mm) into the sac associated with a Neuroform Atlas, 3 × 24 mm, delivered into the artery. Anteroposterior (C) and lateral (D) posttreatment angiograms show contrast agent stagnation into the aneurysm (red arrowhead). E, Twelve-month DSA follow-up (lateral view) shows the asymptomatic occlusion of the parent artery (white arrowhead). F, A FLAIR brain MR imaging sequence shows no associated ischemic lesions.
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