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¹Basaksehir Cam and Sakura City Hospital, Department of Neurology, Istanbul, Turkey
²Basaksehir Cam and Sakura City Hospital, Department of Intensive Care, Istanbul, Turkey DOI : 10.5137/1019-5149.JTN.34746-21.2 Central and peripheral nervous system involvement of COVID-19 has been reported in 25% of cases. COVID-19 is associated with encephalitis and most often presenting with confusion and disorientation, and mortality decreases with early diagnosis and treatment.The patient who was admitted with confusion and fever and found COVID-19 PCR positivity in both cerebrospinal fluid (CSF) and the nasopharyngeal swab is presented here. A 71-year-old female patient who underwent transsphenoidal pituitary tumor surgery 4 months ago, was in an acute confusional state with fluctuations in consciousness and agitation. It was suggested that bilateral temporal areas of the brain and paramedian region of the pons compatible with encephalitis in the T2 and FLAIR axial sections of magnetic resonance imaging (MRI). Nasopharyngeal and CSF SARS-CoV-2 RNA PCR was studied since thorax CT was compatible with COVID-19 pneumonia and in both samples, PCR was found positive. Encephalitis for toxic and metabolic causes was excluded. In this case, COVID-19 encephalitis was treated with dual antiviral (favipiravir and acyclovir) and steroid therapy. The uniqueness of this case is not only the presence of a very few reported cases of both Nasopharyngeal and CSF SARS-CoV-2 RNA PCR positivity but also previous history of transsphenoidal pituitary surgery 4 months ago. Keywords : COVID-19, Encephalitis, Intensive care unit, Transsphenoidal pituitary surgery