A Case of N-Butyl-2-Cyanoacrylate Embolization of a Lateral Posterior Choroidal Artery Aneurysm Associated with Internal Carotid Artery Occlusion

Objective: A ruptured aneurysm rarely causes a primary intraventricular hemorrhage. Cases of aneurysms concomitant with internal carotid artery occlusion are occasionally reported; however, no previous studies have described lateral posterior choroidal artery (LPChA)-associated aneurysms with intern...

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Bibliographic Details
Published in:Journal of Neuroendovascular Therapy 2024, pp.cr.2024-0077
Main Authors: Aoka, Takashi, Yanai, Kei, Koizumi, Satoshi, Okabe, Hiroki, Otsuka, Nozomi, Sato, Katsuya, Yoshikawa, Gakushi
Format: Article
Language:English
Subjects:
embolization
n-butyl-2-cyanoacrylate
NBCA
posterior choroidal artery aneurysms
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Summary:Objective: A ruptured aneurysm rarely causes a primary intraventricular hemorrhage. Cases of aneurysms concomitant with internal carotid artery occlusion are occasionally reported; however, no previous studies have described lateral posterior choroidal artery (LPChA)-associated aneurysms with internal carotid artery occlusion.Case Presentation: We experienced a case of intraventricular hemorrhage caused by the rupture of an LPChA aneurysm associated with the collateral circulation of internal carotid artery occlusion. After a detailed preoperative imaging study, the embolization was successfully achieved using n-butyl-2-cyanoacrylate without new neurological deficits.Conclusion: This case highlights the importance of knowledge of the functional anatomy of collateral anastomosis of the intraventricular choroidal arteries, which allowed safe and successful embolization of the aneurysm.
ISSN:1882-4072
2186-2494
DOI:10.5797/jnet.cr.2024-0077