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Open Access 01-12-2023 | Meningoencephalitis | Case report
Post-infectious inflammatory response syndrome in an HIV-negative patient after Cryptococcus gattii meningoencephalitis: a case report and review of the literature
Published in: Journal of Medical Case Reports | Issue 1/2023
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Background
Cryptococcal meningitis (CM) is an inflammatory mycosis of the central nervous system caused by meninge infection or brain parenchyma with Cryptococcus species. It is associated with high morbidity and mortality, and patients with acquired immune deficiency syndrome are particularly susceptible. There have been increasing reports of CM in HIV-negative patients in China over the last few years.
Case presentation
A 31-year-old healthy Chinese male presented with fever and gradually developed headache, projectile vomiting, and other manifestations that were later confirmed as Cryptococcus gattii meningoencephalitis. However, multiple disease changes occurred during the course of treatment, and the regimen was accordingly modified after the diagnosis of post-infectious inflammatory response syndrome (PIIRS). The patient eventually recovered.
Conclusion
There has been a growing trend in the incidence of C. gattii meningoencephalitis in HIV-negative patients. It shows rapid onset and severe prognosis. This case report can provide a reference to treat PIIRS following CM in HIV-negative patients.