FIG 3. A 57-year-old woman with right internal carotid-ophthalmic artery aneurysm.

A, superior 3D-CT arteriography showing a right internal carotid arteryophthalmic artery aneurysm (black arrow) projecting medially.

B, The superior 3D-CT venography delineates the right cavernous sinus (red arrows).

C–D, The fused 3D-CT images of 3D-CT arteriography and 3D-CT venography, superior (C) and right lateral (D), demonstrates the anatomic relationship between the aneurysm (black arrow) and cavernous sinus (red arrows).

E: The right ophthalmic artery (arrows) is demonstrated on the 3D-CT arteriography with the bone of semitransparent visualization.