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. 2003 Mar 1;36(5):567–574. doi: 10.1086/367623

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© 2003 by the Infectious Diseases Society of America

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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A and B, Single, large, tumorlike lesion of the brain (arrows) associated with cerebral edema in a 23-year-old patient with postinfluenzal encephalopathy noted on T2-weighted MRIs. Adenovirus DNA was detected in a CSF sample obtained from this patient 1 day earlier. C and D, MRIs for this patient 2 months later that reveal regression of this single lesion (arrow) but also an additional lesion (arrowhead).