Fig 2.

A 65-year-old woman with left frontal pain and diplopia for 1 month without congestive orbito-ocular features resulting from DAVFs of the left cavernous sinus. Reversed source sectional images in the arterial-dominant phase on 3D dynamic MRA. A and B, Early venous enhancement is demonstrated within the bilateral inferior petrosal sinuses, basilar plexus, left pterygoid plexus (A), and left cavernous sinus (B). C, In addition, retrograde cortical reflux to the left sphenoparietal sinus is a clinically important feature.