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J Neurointerv Surg. 2014 Dec;6(10):744-7. doi: 10.1136/neurintsurg-2013-010988. Epub 2013 Dec 5.

Detection of angiographically occult, ruptured cerebral aneurysms: case series and literature review.

Abstract

BACKGROUND:

Ruptured and thrombosed cerebral aneurysms pose a risk for rebleeding that may go undetected because they are angiographically occult. The presence of multiple aneurysms may further complicate efforts in accurately identifying the true source because their treatment may circumvent further necessary investigations.

METHODS:

This case series and literature review illustrates the background and clinical features of ruptured thrombosed cerebral aneurysms.

RESULTS:

Thrombosed ruptured cerebral aneurysms have several common anatomic and physiologic mechanisms for their occurrence. They may evade detection if not considered part of a diligent thorough approach that includes careful analysis of the pattern of initial bleeding on non-contrast head CT scan.

CONCLUSIONS:

Despite negative angiographic studies, and even when multiple cerebral aneurysms are present, diffuse subrachnoid hemorrhage may still warrant further investigation.

Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

KEYWORDS:

Aneurysm; Angiography; Hemorrhage; Subarachnoid

PMID:
24311697
[PubMed - indexed for MEDLINE]
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