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FIG 1. A and B, Lateral (A) and anteroposterior (B) catheter angiograms show a direct CCF with rapid filling of the cavernous sinus, superior ophthalmic vein, and inferior petrosal sinus.
C, Anteroposterior view of the left vertebral artery injection similarly shows filling of the right cavernous sinus via a persistent trigeminal artery (arrowhead).
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