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FIG 4. Case 1.
A, Right ascending pharyngeal artery angiogram in AP view: DAVS in the foramen magnun region, draining retrogradely toward inferior petrosal sinus and sylvian superficial vein and toward the jugular bulb. Arrow shows hyperdensity.
B, Left ascending pharyngeal artery angiogram in AP view shows that the shunt is located over an accessory sinus.
C, Left ascending pharyngeal artery angiogram in AP view after superselective transvenous dural sinus occlusion, showing complete occlusion of the shunt.
D, RICA angiogram in venous phase, in AP view, showing patency of the normal sinuses.
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