Chronic primary central nervous system histoplasmosis in a healthy child with intermittent neurological

Jennifer E Schuster1, Curtis A Wushensky, M Cecilia Di Pentima

  • 1Department of Pediatrics, Infectious Diseases Division, Vanderbilt University, Nashville, TN 37232, USA.

Insights

Meningitis caused by Histoplasma capsulatum is rare in healthy children. This case highlights chronic fungal meningitis mimicking demyelinating disease in a previously healthy boy.

Area of Science:

  • Pediatric Infectious Diseases
  • Neuroimmunology
  • Mycology

Background:

  • Histoplasma capsulatum is a fungus endemic to certain regions, typically causing pulmonary infections.
  • Meningitis is an uncommon presentation, especially in immunocompetent individuals.
  • Demyelinating diseases in children often present with varied neurological symptoms.

Observation:

  • A previously healthy 6-year-old boy presented with a 7-month history of intermittent neurological symptoms.
  • Cerebrospinal fluid analysis and imaging were crucial for diagnosis.
  • Magnetic resonance imaging (MRI) revealed findings suggestive of demyelination.

Findings:

  • The patient was diagnosed with primary, chronic meningitis due to Histoplasma capsulatum.
  • The fungal infection mimicked the clinical and radiological features of a demyelinating disorder.
  • This case underscores the importance of considering fungal infections in unexplained neurological conditions.

Implications:

  • This case expands the understanding of Histoplasma capsulatum's neurological manifestations in children.
  • It emphasizes the need for a broad differential diagnosis in pediatric neurological cases.
  • Early recognition and treatment are vital for favorable outcomes in pediatric fungal meningitis.

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