A 19-year-old boy with no previous medical, psychiatric, or substance abuse record complained of odynophagia, pyrexia, and frontal headache. The following week he became aggressive, following which he progressively developed lethargy and reduced responsiveness. Finally, he started experiencing a right-sided focal seizure and was admitted for neurological assessment. Medical examination showed him to be diaphoretic, hypertensive, febrile, and tachycardic. His consciousness fluctuated, and he spoke less.
He also showed repetitive chewing movements. His blood and spinal fluid tests, along with cranial and motor systems, were normal. However, a brain MRI showed scattered non-enhancing T2/Fluid Attenuated Inversion Recovery (FLAIR) lesions in his left corona radiata. He later started developing autonomic instability with tachycardia and hypotension. He also started having convulsions and was…
