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[Cryptococcal meningitis in an immunocompetent patient - a case report]
Melinda Tóthóvá1, Dáša Nováková, Kristína Rogozánová
1Institute of Microbiology, Faculty Hospital with Policlinic, Nove Zamky, Slovak Republic,
Abstract:
Cryptococcal meningitis is a severe neurological infection caused by the yeast Cryptococcus neoformans. It often occurs as an opportunistic infection; rarely, it may be seen in healthy people as well. The most common source of the infection is inhalation of infected bird droppings. The cryptococci may persist in the lungs and nearby lymph nodes for a long time. There are no or mild clinical manifestations of the pulmonary infection. The disease often manifests only after the cryptococci penetrate into the CNS. The case report documents the development of cryptococcal meningitis in an immunocompetent patient. It was diagnosed by microscopic detection of the yeast in the cerebrospinal fluid. The finding was confirmed by detecting cryptococcal DNA in the cerebrospinal fluid and culture. Despite immediate initiation of antifungal therapy and intensive care, the patient died.
Insights
Cryptococcal meningitis, a severe CNS infection, can occur in healthy individuals. This case report details a fatal outcome despite prompt antifungal treatment.
Area of Science:
- Neurology
- Infectious Diseases
- Mycology
Background:
- Cryptococcal meningitis is a serious infection caused by Cryptococcus neoformans, often opportunistic but can affect immunocompetent individuals.
- Infection typically arises from inhaling contaminated bird droppings, with fungi potentially remaining dormant in the lungs.
- Neurological symptoms manifest when the yeast invades the central nervous system (CNS).
Observation:
- This report describes a case of cryptococcal meningitis in an immunocompetent patient.
- Diagnosis was confirmed through microscopic examination and DNA detection of Cryptococcus in cerebrospinal fluid (CSF).
Findings:
- Microscopic analysis of CSF revealed yeast consistent with Cryptococcus neoformans.
- Cryptococcal DNA detection in CSF and positive culture confirmed the diagnosis.
- Despite rapid antifungal therapy and intensive care, the patient succumbed to the infection.
Implications:
- Highlights the potential severity of Cryptococcus neoformans infections even in immunocompetent hosts.
- Underscores the importance of timely diagnosis and aggressive treatment for cryptococcal meningitis.
- Suggests a need for further research into risk factors and treatment strategies for this rare presentation.
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