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Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans
Published on: February 27, 2018
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Cryptococcal meningitis caused by Cryptococcus neoformans in an immunocompetent soldier.
1Department of Family Medicine, Womack Army Medical Center, 2817 Reilly Road, Fort Bragg, NC 28310.
Military Medicine
|September 3, 2014
Summary
Cryptococcus neoformans infections are rare in healthy individuals. This case highlights the importance of considering this fungal pathogen in immunocompetent patients with meningitis symptoms.
Area of Science:
- Infectious Diseases
- Mycology
- Neurology
Background:
- Cryptococcus neoformans is an encapsulated yeast typically causing disease in immunocompromised individuals.
- Infections in immunocompetent hosts are rarely reported in medical literature.
Observation:
- An active duty service member with no prior medical history presented with prolonged symptoms including headache, nausea, vomiting, weight loss, and fevers.
- Cerebrospinal fluid analysis revealed elevated white blood cells, low glucose, and high protein, consistent with meningitis.
Findings:
- Cerebrospinal fluid analysis confirmed Cryptococcus neoformans infection via antigen testing and culture.
- The patient successfully recovered after a 10-week course of fluconazole and flucytosine.
Implications:
- This case underscores the need to consider C. neoformans in the differential diagnosis of meningitis, even in immunocompetent patients.
- Broadening diagnostic considerations is crucial for previously healthy individuals presenting with nonspecific or common symptoms suggestive of central nervous system infection.
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