• Yuwa Oka, Akihiro Ueda, Tomokazu Nakagawa, Yujiro Kikuchi, Daiki Inoue, Satoshi Marumo, and Sadayuki Matsumoto.
• Department of Neurology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Japan.
• Intern. Med. 2021 Oct 1; 60 (19): 3167-3170.

AbstractWe herein report a 49-year-old man with a fever, diagnosed with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. After two weeks of hospitalization, he suddenly mentioned visual field impairment. Computed tomography and magnetic resonance imaging revealed white matter damage and vasogenic edema. Cerebrospinal fluid showed increased levels of interleukin (IL)-6. His symptoms and white matter lesion deteriorated. After treatment with intravenous methylprednisolone therapy and plasmapheresis, his symptoms and white matter lesion improved gradually. We suspect that our patient was affected by a secondary hyperinflammatory syndrome related to cytokines, alone or in combination with direct viral injury through endothelial cell damage. The IL-6 levels were elevated only in the cerebrospinal fluid, suggesting focal central nervous system inflammation.

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