Figure 12.

34-year-old male, presented with to the ED with 4 days of mild fever and flu like symptoms, with increasingly severe headache, photophobia, and dizziness for 2 days. He tested positive for COVID, and all his CSF work-up was negative. MRI brain coronal T₂ (a) shows mildly swollen bright hippocampus and medial temporal lobe, axial FLAIR-T₂ (b), ADC (c) and cororonal T₁ post-i.v. contrast, shows corresponding bright signal, facilitated diffusion, and patchy post-contrast enhancememnt respectively (arrow in a–d). ADC, apparent diffusion coefficient; CSF, cerebrospinal fluid; FLAIR, fluid attenuated inversionrecovery