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West Nile Virus Encephalitis
Miral D. Jhaveri, MD; Laurie A. Loevner, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          TERMINOLOGY

          • Abbreviations

            • West Nile virus (WNV), West Nile fever (WNF), West Nile neuroinvasive disease (WNND)
          • Definitions

            • Mosquito-transmitted acute meningoencephalitis caused by West Nile arbovirus

          IMAGING

          • General Features

            • Imaging Recommendations

              • CT Findings

                • MR Findings

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      CLINICAL ISSUES

                      • Presentation

                        • Demographics

                          • Natural History & Prognosis

                            • Treatment

                              Selected References

                              1. Daep CA et al: Flaviviruses, an expanding threat in public health: focus on dengue, West Nile, and Japanese encephalitis virus. J Neurovirol. ePub, 2014
                              2. Racsa L et al: Clinical features of West Nile virus epidemic in Dallas, Texas, 2012. Diagn Microbiol Infect Dis. 78(2):132-6, 2014
                              3. Handique SK: Viral infections of the central nervous system. Neuroimaging Clin N Am. 21(4):777-94, vii, 2011
                              4. Blitvich BJ: Transmission dynamics and changing epidemiology of West Nile virus. Anim Health Res Rev. 9(1):71-86, 2008
                              5. Kramer LD et al: West Nile virus. Lancet Neurol. 6(2):171-81, 2007
                              6. Ali M et al: West Nile virus infection: MR imaging findings in the nervous system. AJNR Am J Neuroradiol. 26(2):289-97, 2005
                              7. Kraushaar G et al: West Nile Virus: a case report with flaccid paralysis and cervical spinal cord: MR imaging findings. AJNR Am J Neuroradiol. 26(1):26-9, 2005
                              8. Petropoulou KA et al: West Nile virus meningoencephalitis: MR imaging findings. AJNR Am J Neuroradiol. 26(8):1986-95, 2005
                              9. Agid R et al: MR diffusion-weighted imaging in a case of West Nile virus encephalitis. Neurology. 61(12):1821-3, 2003
                              10. Madden K: West Nile virus infection and its neurological manifestations. Clin Med Res. 1(2):145-50, 2003
                              Related Anatomy
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                              Related Differential Diagnoses
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                              References
                              Tables

                              Tables

                              KEY FACTS

                              • Terminology

                                • Imaging

                                  • Pathology

                                    • Clinical Issues

                                      TERMINOLOGY

                                      • Abbreviations

                                        • West Nile virus (WNV), West Nile fever (WNF), West Nile neuroinvasive disease (WNND)
                                      • Definitions

                                        • Mosquito-transmitted acute meningoencephalitis caused by West Nile arbovirus

                                      IMAGING

                                      • General Features

                                        • Imaging Recommendations

                                          • CT Findings

                                            • MR Findings

                                              DIFFERENTIAL DIAGNOSIS

                                                PATHOLOGY

                                                • General Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Demographics

                                                      • Natural History & Prognosis

                                                        • Treatment

                                                          Selected References

                                                          1. Daep CA et al: Flaviviruses, an expanding threat in public health: focus on dengue, West Nile, and Japanese encephalitis virus. J Neurovirol. ePub, 2014
                                                          2. Racsa L et al: Clinical features of West Nile virus epidemic in Dallas, Texas, 2012. Diagn Microbiol Infect Dis. 78(2):132-6, 2014
                                                          3. Handique SK: Viral infections of the central nervous system. Neuroimaging Clin N Am. 21(4):777-94, vii, 2011
                                                          4. Blitvich BJ: Transmission dynamics and changing epidemiology of West Nile virus. Anim Health Res Rev. 9(1):71-86, 2008
                                                          5. Kramer LD et al: West Nile virus. Lancet Neurol. 6(2):171-81, 2007
                                                          6. Ali M et al: West Nile virus infection: MR imaging findings in the nervous system. AJNR Am J Neuroradiol. 26(2):289-97, 2005
                                                          7. Kraushaar G et al: West Nile Virus: a case report with flaccid paralysis and cervical spinal cord: MR imaging findings. AJNR Am J Neuroradiol. 26(1):26-9, 2005
                                                          8. Petropoulou KA et al: West Nile virus meningoencephalitis: MR imaging findings. AJNR Am J Neuroradiol. 26(8):1986-95, 2005
                                                          9. Agid R et al: MR diffusion-weighted imaging in a case of West Nile virus encephalitis. Neurology. 61(12):1821-3, 2003
                                                          10. Madden K: West Nile virus infection and its neurological manifestations. Clin Med Res. 1(2):145-50, 2003