Iatrogenically induced cortical blindness associated with leptomeningeal enhancement |
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Authors: | LV Petrus JF Lois WW Lo |
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Affiliation: | Department of Radiological Sciences, Olive View-UCLA Medical Center, Sylmar, CA 91342, USA. |
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Abstract: | 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. |
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