Histoplasmosis

  • Etiology: Histoplasma capsulatum, endobronchial spread
  • Imaging: hilar lymphadenopathy with calcification, bilateral nodules of various sizes (but bigger than miliary in size) with irregular margins, tree in bud appearance (endobronchial spread)
  • DDX: Tuberculosis – histoplasmosis has greater number of parenchymal lesions

Cases of Histoplasmosis

CT of histoplasmosis
CT with contrast of the chest shows bilateral hilar adenopathy.