Table 1

 Comparison of MRI findings (increased signal on T2 weighted images, rarely combined with pathological contrast enhancement) in flavivirus infections

CortexThalamusBGBrain stemSCReferences
BG, basal ganglia; SC, spinal cord.
Tick borne encephalitisUnilateralBilateralBilateralBilateralBilateral1, 4, 7, 8
St Louis encephalitisNo dataNo dataNo dataBilateralNo data6
Japanese encephalitisUnilateralBilateralBilateralBilateralNo data5
West Nile virus encephalitisNo dataBilateralBilateralBilateralBilateral9, 10, 11