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American Journal of Neuroradiology, Vol 19, Issue 8 1522-1524, Copyright © 1998 by American Society of Neuroradiology

ARTICLES

Iatrogenically induced cortical blindness associated with leptomeningeal enhancement

LV Petrus, JF Lois and WW Lo
Department of Radiological Sciences, Olive View-UCLA Medical Center, Sylmar, CA 91342, USA.

Leptomeningeal enhancement is usually infective or neoplastic in origin. We present a case in which a patient received total parenteral nutrition via a catheter unknowingly placed within the right vertebral artery. We postulate that the hyperosmolar nature of the infused solution induced temporary osmotic disruption of the blood-brain barrier, resulting in cortical blindness associated with localized leptomeningeal enhancement.




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