Document Detail

Intranidal aneurysms in cerebral arteriovenous malformations: evaluation and endovascular treatment.
MedLine Citation:
PMID:  1561335     Owner:  NLM     Status:  MEDLINE    
Patients with cerebral arteriovenous malformations (AVMs) have an increased risk of hemorrhage if an intranidal aneurysm is present. Angiograms from 125 patients with cerebral AVMs were evaluated, and 15 (12%) had intranidal aneurysms. All 15 patients had a history of bleeding. Five patients underwent particulate or liquid embolization before surgical excision of or radiation therapy for the AVM. All aneurysms were thrombosed at the time of embolization. Ten patients underwent radio-surgery alone. Eight of the 10 underwent angiographic follow-up (mean, 33 months); seven patients showed complete obliteration of the AVM without residual aneurysm. Histologic evaluation showed intranidal aneurysms to be thin-walled vascular structures, and they are the likely site for AVM hemorrhage. Embolization is an effective method for achieving thrombosis of the intranidal aneurysm and may be beneficial in patients undergoing radiation therapy because of a long latency period between treatment and thrombosis of the AVM.
M P Marks; B Lane; G K Steinberg; G J Snipes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiology     Volume:  183     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  1992 May 
Date Detail:
Created Date:  1992-05-13     Completed Date:  1992-05-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  355-60     Citation Subset:  AIM; IM    
Department of Diagnostic Radiology, Stanford University Medical Center, CA 94305.
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MeSH Terms
Cerebral Angiography
Cerebral Hemorrhage / diagnosis*,  etiology,  therapy
Embolization, Therapeutic
Intracranial Aneurysm / complications,  diagnosis*,  pathology,  therapy
Intracranial Arteriovenous Malformations / complications*,  therapy
Magnetic Resonance Imaging*
Middle Aged
Tomography, X-Ray Computed*

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