Journal
NEUROIMAGING CLINICS OF NORTH AMERICA
Volume 34, Issue 1, Pages 13-21Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.nic.2023.06.001
Keywords
Central nervous system infection; Vasculitis; Varicella zoster virus; Treponema pallidum; Syphilis; Delayed cerebral vasculopathy
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Stroke can be a complication of CNS infections, especially caused by VZV and T pallidum. Treatment with adjunctive dexamethasone for acute pneumococcal meningitis is recommended, but it may lead to the emergence of DCV syndrome.
Stroke can accompany many CNS infections, but only a few etiologies present with stroke without other evidence of CNS infection. Chief among these are VZV and T pallidum, the cause of syphilis; a high index of suspicion is required to not miss these diagnoses. Treatment with adjunctive dexamethasone is recommended for individuals with acute pneumococcal meningitis. However, in the era of this treatment a new syndrome, DCV (also termed delayed cerebral thrombosis) has emerged as a complication of adjunctive dexamethasone treatment.
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