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DOI: 10.1055/a-2479-5462
Otogenic Brain Abscess and Concomitant Acute COVID-19 Infection: Case Report and Review of the Literature
Funding None.

Abstract
Background 2019 coronavirus disease (COVID-19) has attracted global attention primarily because of the severe acute respiratory symptoms associated with it. However, nearly one third of the patients also present with neurological symptoms. This report describes a case of a previously healthy woman with acute COVID-19 infection, who developed acute facial nerve palsy and rapid progression to coma due to otogenic brain abscess.
Case Description A 63-year-old woman with acute COVID-19 infection exhibited acute facial nerve paresis, high fever, and purulent secretion from her left ear within 48 hours after COVID-19 onset. Cranial computed tomography scan confirmed acute mastoiditis, precipitating an urgent mastoidectomy. A postoperative contrast-enhanced magnetic resonance imaging on the same day revealed a subdural empyema, which prompted an urgent craniotomy and decompression. Intraoperative microbiological swabs confirmed a Streptococcus pyogenes infection; however, reverse transcription polymerase chain reaction was negative for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). After immediate intravenous antibiotic treatment, extubation was achieved 4 days after operation, and the patient was discharged without neurological deficits 19 days after postoperatively.
Conclusion This finding adds a layer of insight into the specific nature of the infection, suggesting a potential absence of SARS-CoV-2 involvement in otogenic subdural empyema. However, the impact of SARS-CoV-2 in otogenic brain abscess cannot be excluded to date and should be further prospectively investigated. The complete recovery of neurological status emphasizes the importance of prompt and interdisciplinary interventions in managing rare and severe complications associated with COVID-19.
Keywords
coronavirus disease 2019 - facial nerve paresis - encephalitis - mastoiditis - subdural empyemaConsent to Participate
Informed consent was obtained from the patient.
Ethics Approval
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
Authors' Contributions
All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by D.D., S.-Y.W., F.G. and R.M. The first draft of the manuscript was written by A.R. S.T., B.B., S.B., C.B., D.A.R., L.Z., T.M.F. commented on previous versions of the manuscript. All authors read and approved the final manuscript.
Publication History
Received: 21 March 2024
Accepted: 19 November 2024
Accepted Manuscript online:
20 November 2024
Article published online:
26 May 2025
© 2025. Thieme. All rights reserved.
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