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AJNR - American Journal of Neuroradiology

Published ahead of print on August 6, 2009
doi: 10.3174/ajnr.A1688

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American Journal of Neuroradiology 31:86-87, January 2010
© 2010 American Society of Neuroradiology

Case Report
BRAIN

Pseudopathologic Brain Parenchymal Enhancement due to Venous Reflux from Left-Sided Injection and Brachiocephalic Vein Narrowing

J.Y. Chen^a, A.C. Mamourian^a, S.R. Messe^b and R.L. Wolf^a

^aFrom the Department of Radiology, Division of Neuroradiology (J.Y.C., A.C.M., R.L.W.)
^bDepartment of Neurology (S.R.M.), Hospital of the University of Pennsylvania, Philadelphia, Pa.

Please address correspondence to James Y. Chen, MD, Hospital of the University of Pennsylvania/Division of Neuroradiology, 3400 Spruce St, Philadelphia, PA 19104; e-mail: james_chen{at}alumni.brown.edu

SUMMARY: In this report, we present a case of a patient with CT angiographic artifacts related to left-sided venous injection resulting in a striking pattern of enhancement simulating vascular abnormalities, which prompted additional diagnostic imaging. To our knowledge, no similar case has been reported in the published literature to date.