Endovasucular trapping of a cavernous thrombosed giant internal carotid aneurysm by using the posterior communicating artery

Abstract

Objective: We present a case of endovascular trapping of a thrombosed giant internal carotid (IC) aneurysm. Our goal at the time of surgery was to occlude the distal side of the IC artery, thus enabling us to operate safely.
Case presentation: We treated a 75-year-old woman with a left cavernous thrombosed giant IC aneurysm. After confirming ischemic tolerance, we performed endovascular trapping under local anesthesia. We occluded the distal side of the aneurysm safely by inserting a catheter via the left posterior communicating artery from the vertebral artery into the distal side of the left IC artery.
Conclusion: The posterior communicating artery may be a useful route of entry enabling endovascular trapping of thrombosed giant IC aneurysm.