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Atypical occurrence of anti-Ma2-associated encephalitis after breast cancer surgery and COVID-19.

Jungyun SeoHong Nam KimMinsuk KwonTae-Joon Kim
Published in: Encephalitis (Seoul, Korea) (2023)
In this report, we present a rare case of anti-Ma2-associated encephalitis concurrent with coronavirus disease 2019 (COVID-19) following breast cancer surgery. The patient exhibited minimal clinical symptoms of COVID-19 infection but developed seizures and altered mental status after surgery, leading to diagnosis of a classic paraneoplastic syndrome. This case highlights the possibility of paraneoplastic neurological syndrome even after cancer surgery and the need for careful consideration of post-acute infection syndromes when neurological symptoms occur following an infection.
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