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FIG 2. A and B, Lateral (A) and anteroposterior (B) views of the right internal carotid artery injected after initial placement of a detachable silicone balloon through the rent in the internal carotid artery. This placement is facilitated by the use of a second, nondetachable balloon.
C, Lateral view of the left vertebral artery injection shows the balloon catheter in place (arrowhead denotes the platinum tip of the catheter) with absence of filling of the persistent trigeminal artery.
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