“…3,[9][10][11][12][13] ICCA aneurysms may remain asymptomatic or manifest as symptoms caused by mass effects, such as symptoms of cranial nerves II, III, IV, V, or VI, depending on the direction of the aneurysm growth, 2,9) or rupture, resulting in carotid-cavernous fistula but not in subarachnoid hemorrhage (SAH). Therefore, this type of aneurysm is believed to be benign in nature.…”