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American Journal of Roentgenology, Vol 98, 647-652, Copyright © 1966 by American Roentgen Ray Society

ANEURYSM AS A CAUSE OF STROKE

WILLIAM HANAFEE M.D.1 and PETER J. JANNETTA M.D.2

1 Professor, Department of Radiology, UCLA Center for the Health Sciences, Los Angeles, California
2 Resident, Division of Neurosurgery, Department of Surgery, UCLA Center for the Health Sciences, Los Angeles, California

Aneurysms may produce sufficient spasm to cause angiographic nonfilling of an intracranial artery. We believe this nonfilling to be due to thrombosis but the actual cause of the nonfilling is difficult to prove without histologic examination. If the spasm proceeds slowly enough, collateral flow to the ischemic area may develop from the leptomeningeal vessel to a sufficient degree to prevent cerebral infarction.

The neuroradiologist plays a vital role in demonstrating these fine collateral flow patterns and alerting the neurosurgeon to their presence.


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Copyright © 1966 by the American Roentgen Ray Society.