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. 2002 Aug;23(7):1206–1213.

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Fig 3. — Ruptured aneurysm of the anterior communicating artery.

A, Right anterior oblique 2D-DSA shows aneurysm of the anterior communication artery with a dome-to-neck ratio of 1.8. A small perforating artery (arrows) is thought to originate from the aneurysmal dome.

B, MIP image of the 3D-DSA image shows aneurysm of the anterior communication artery with a dome-to-neck ratio of 1.8. A small perforating artery (arrows) is thought to originate from the aneurysmal dome.

C, Posterior surface shaded display image clearly shows that the perforating artery originates from the anterior cerebral artery (arrowheads), beyond the neck and running along the aneurysmal sac. Difficulty score is 0.

D, Right anterior oblique 2D-DSA image obtained immediately after the GDC procedure shows complete occlusion (100%) of the aneurysm with a patent perforating artery (arrows).