Recurrent vertebrobasilar embolism out of a blind sack

Stump embolism as a cause of vertebrobasilar stroke

Digital subtraction angiography shows an ascending cervical artery with collateral refilling of the distal vertebral artery (VA). The arrow indicates the blind sack of the proximally occluded VA with a resident embolus, the presumed source of the recurrent ischemia.

Initial experience with the coaxial dual-lumen Ascent balloon catheter for wide-neck aneurysm coil embolization

Full text

Anteroposterior(A)andlateraloblique(C)leftinternal
carotidarteryinjectionangiogramprojectionsdemonstratecoil
embolization ofaleftmiddlecerebralarteryaneurysmwithballoon
remodelingusingtheAscentballoon[arrows,(B,D)].