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Case Reports
Disappearance of a Ruptured Distal Flow-Related Aneurysm after Arteriovenous Malformation Nidal Embolization.
- Lucy He, Junwei Gao, Ajith J Thomas, Matthew R Fusco, and Christopher S Ogilvy.
- Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
- World Neurosurg. 2015 Nov 1;84(5):1496.e1-6.
AbstractAneurysms associated with arteriovenous malformations (AVMs) are well represented in the literature. Their exact etiology is poorly understood, but likely global hemodynamic changes coupled with vascular wall pathology play into their formation. Flow-related and intranidal aneurysms, in particular, appear to have an increased risk for hemorrhagic presentation. Treatment strategies for these aneurysms are particularly challenging. We report the case of an AVM-associated aneurysm causing intraventricular hemorrhage that disappeared after embolization of unrelated, distal feeding pedicles to the nidus, at a site distant from the aneurysm. We also review the literature with regards to these so-called "disappearing aneurysms" in the context of AVMs and other vascular pathologies.Copyright © 2015 Elsevier Inc. All rights reserved.
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