Recurrent infectious encephalitis in adolescent: a case report and its differential diagnoses

Case presentation: JASB, male, 11 years, complaining of headache, dizziness, diplopia, and dysarthria for 3 weeks, denying flu syndrome, trauma, or substance use. On physical examination: hypotonia, dysdiadochokinesia, paresis cranial nerves III IV, drunken gait, positive Romberg test. A tomography was performed as an initial imaging test, with no changes. Due to the severity case, pulse therapy started empirically. Magnetic resonance (MRI), 7 days after admission, shows hypersignal in basal ganglia, trunk, pons, peduncle, cerebellum (T2 FLAIR). Chemocytology culture cerebrospinal fluid were normal. After 13 serology IgG Epstein Barr Virus (EBV) Herpesvirus, negative IgM. therapy, prednisolone acyclovir prescribed. The patient discharged 32 days, gradual weaning from corticoids resolution condition. However, months, he readmitted diplopia strabismus; MRI maintained previous pattern, new performed.