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Dural arteriovenous malformations associated with cerebral aneurysms.
S Suzuki1, R Tanaka, Y Miyasaka
1Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan.
Summary
Dural arteriovenous malformations (AVMs) can coexist with cerebral aneurysms. This association is particularly noted in the anterior cranial fossa and convexity, highlighting the need for careful diagnosis and treatment planning.
Area of Science:
- Neurosurgery
- Neurology
- Vascular Neurology
Background:
- Dural arteriovenous malformations (AVMs) are rare vascular lesions.
- Information on the co-occurrence of dural AVMs and cerebral aneurysms is limited.
- Understanding this association is crucial for effective patient management.
Purpose of the Study:
- To investigate the clinical characteristics and significance of dural AVMs associated with cerebral aneurysms.
- To determine the frequency of cerebral aneurysms in patients with dural AVMs.
- To identify specific locations of dural AVMs with a higher likelihood of associated aneurysms.
Main Methods:
- Retrospective review of dural AVM cases.
- Analysis of six cases with coexisting cerebral aneurysms.
- Correlation of dural AVM location with aneurysm presence.
Main Results:
- Six out of 46 (13%) dural AVMs were associated with cerebral aneurysms.
- A strong association was observed between anterior cranial fossa dural AVMs and aneurysms (3 of 4 cases).
- All three convexity dural AVMs were associated with aneurysms.
Conclusions:
- Dural AVMs and cerebral aneurysms can occur together, necessitating thorough evaluation.
- Anterior cranial fossa and convexity dural AVMs show a significant association with aneurysms.
- Consideration of complicating aneurysms is vital in managing anterior cranial fossa dural AVMs, especially when subarachnoid hemorrhage is present.