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Aneurysm regression after coil embolization of a concurrent aneurysm
Michael M Chow1, William E Thorell, Peter A Rasmussen
1Section of Endovascular Neurosurgery, Department of Neurological Surgery, Cleveland Clinic Foundation, Cleveland, OH 44195, USA.
AJNR. American Journal of Neuroradiology
|April 9, 2005
Summary
A rare case of internal carotid artery aneurysm regression was observed after treatment of a separate aneurysm. This study highlights that some aneurysms can spontaneously involute, a phenomenon requiring further investigation.
Area of Science:
- Vascular Neurology
- Interventional Neuroradiology
- Cerebrovascular Diseases
Background:
- Internal carotid artery aneurysms are a significant cause of cerebrovascular events.
- Paraclinoid aneurysms, particularly those in the internal carotid artery, pose unique management challenges.
- Spontaneous aneurysm regression is an infrequently reported event in medical literature.
Observation:
- A 43-year-old woman presented with two incidental paraclinoid internal carotid artery aneurysms.
- The larger superior hypophyseal aneurysm was treated with coil embolization.
- Follow-up angiography 10 weeks later revealed significant regression of the smaller, more distal paraclinoid aneurysm.
Findings:
- The study documents a rare instance of aneurysm involution.
- Regression of an untreated aneurysm occurred subsequent to the treatment of a separate, larger aneurysm.
- Potential mechanisms for spontaneous aneurysm regression are explored.
Implications:
- This case suggests that aneurysm regression, while rare, is a possible outcome.
- Understanding the mechanisms of involution could offer new therapeutic insights.
- Further research is warranted to explore the potential for inducing aneurysm regression.