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American Journal of Neuroradiology 27:1576-1578, August 2006
© 2006 American Society of Neuroradiology

Case Report
SPINE

Pseudoaneurysm of the Anterior Spinal Artery in a Patient with Moyamoya: An Unusual Cause of Subarachnoid Hemorrhage

D.M. Walza, R.F. Woldenberga and A. Settona

a Department of Radiology, North Shore University Hospital, Manhasset, NY

Address correspondence to Daniel M. Walz, MD, 58 Marwood Rd North, Port Washington, NY 11050; e-mail: danwalz{at}hotmail.com

SUMMARY: Subarachnoid hemorrhage (SAH) is a recognized presentation of Moyamoya disease in adults. Because there are extensive collateral networks and potential complications that develop, a thorough investigation of the intracranial and extracranial circulation is necessary to exclude a treatable cause when these patients present with SAH. We present a case of SAH due to a ruptured pseudoaneurysm of the anterior spinal artery arising from the supreme intercostal artery, which was the sole source of blood supply to the intracranial circulation.






Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X