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FIG 2. Case 2.
A, Carotid angiogram shows a direct CCF; the distal portion of the ICA is not opacified because of the high-flow shunt.
B, Right vertebral angiogram depicts the aneurysmal sac by collateral flow upon cross compression.
C, Carotid angiogram obtained just after the procedure shows that a detachable balloon completely occludes the shunt.
D and E, Angiograms obtained 3 months later reveal recurrence of the aneurysm (D), which is packed with coils (E)
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