Fig. 4. Giant suprasellar (supraclinoidal) aneurysms. A: Carotid arteriogram (lateral view) shows a huge aneurysm of the internal carotid artery in a 59-year-old woman with progressing visual loss. Coronal (B) and axial (C) magnetic resonance imaging sections of a similar case. Note partial thrombus formation (TR, 2100 ms; TE, 80 ms).