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Cryptococcus gattii meningoencephalitis in an HIV-negative patient from the Peruvian Andes

Ericson L Gutierrez1, Willi Valqui, Luis Vilchez

  • 1Institute of Clinical Research, National University of San Marcos, Lima, Peru.

Revista Da Sociedade Brasileira De Medicina Tropical
|August 31, 2010
PubMed

Insights

Cryptococcus gattii, a fungal pathogen, caused meningoencephalitis in an immunocompetent Peruvian patient. This case confirms its presence as an infectious agent in Peru, highlighting the need for awareness.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Neuroscience

Background:

  • Cryptococcus gattii is an emerging fungal pathogen known to cause cryptococcosis, a serious infection.
  • While prevalent in tropical and subtropical regions, its presence in the Andes mountains of Peru is less documented.
  • Meningoencephalitis, inflammation of the brain and meninges, can be life-threatening.

Observation:

  • An immunocompetent Peruvian patient from the Andes presented with a month-long history of meningoencephalitis.
  • Cerebrospinal fluid analysis identified Cryptococcus gattii using its unique nitrogen assimilation profile (D-proline and D-tryptophan).

Findings:

  • The patient received initial intravenous amphotericin B followed by oral fluconazole for ten weeks.
  • Clinical improvement was observed, with only slight residual right-sided weakness post-treatment.
  • This case confirms Cryptococcus gattii as an etiological agent of meningoencephalitis in Peru.

Implications:

  • This report expands the known geographical distribution of Cryptococcus gattii infections.
  • It underscores the importance of considering this pathogen in immunocompetent individuals presenting with neurological infections in the region.
  • Further epidemiological studies are warranted to understand the prevalence and transmission dynamics of C. gattii in Peru.

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