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Keywords:

  • AIDS;
  • Histoplasma capsulatum;
  • dimorphic fungus;
  • immunocompromised;
  • fine-needle aspiration cytology

Abstract

Histoplasmosis has emerged as an important opportunistic fungal infection in immunocompromised patients. Histoplasma is a dimorphic fungus that primarily involves lung and the environmental reservoir is soil. Although several cases of histoplasmosis have been reported in India but cytological diagnosis was made in a few cases. We are presenting two cases of histoplasmosis diagnosed on fine-needle aspiration cytology. In the first case, pulmonary histoplasmosis was diagnosed on transbronchial needle aspiration of lung in a 41-year-old immunocompetent male, while second case was of disseminated histoplasmosis in 40-year-old immunocompromised female diagnosed on cytology of cervical lymph node. FNAC is a simple, safe, and rapid technique to establish the initial diagnosis, thus promoting early treatment and favorable outcome especially in the immunocompromised patients. Diagn. Cytopathol. 2011; © 2011 Wiley Periodicals, Inc.