Description: Blood investigations as follows:
Description: Axial FLAIR MRI showing bilateral thalamic hyperintensities part of the characteristic “doughnut in the brain” appearance
Description: Axial T2-weighted MRI demonstrating symmetrical thalamic involvement, consistent with the “doughnut sign” in dengue encephalitis
Description: Axial DWI image showing diffusion restriction in bilateral thalami, contributing to the “double doughnut” appearance
Description: Axial GRE image showing blooming in the bilateral thalami, indicating hemorrhagic foci completing the “doughnut in the brain” pattern.
Description: CSF analysis
Description: Blood investigations as follows
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