Roy et al reported a classification for the angiographic appearance after endovascular treatment of an unruptured cerebral aneurysm. The authors are from the University of Montreal and Laval University in Canada.
Patient selection: endovascular therapy of an unruptured cerebral aneurysm
Patient evaluation: cerebral angiography
Angiographic Appearance of Aneurysm
Raymond Roy Class
complete obliteration
1
residual neck
2
residual aneurysm observed
3
Initial and follow-up angiograms may show a different class.
Class 3 aneurysms had a risk of recurrence.
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