Larynx and hypopharynx
Inflammatory / infectious lesions
Histoplasmosis


Topic Completed: 1 November 2013

Minor changes: 30 September 2019

Copyright: (c) 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Histoplasmosis larynx

Nat Pernick, M.D.
Page views in 2019: 213
Page views in 2020 to date: 80
Cite this page: Pernick N. Histoplasmosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/larynxhistoplasmosis.html. Accessed May 26th, 2020.
Definition / general
  • Common cause of fungal laryngitis in US (also blastomycosis)
  • Early lesions are in vocal cords and epiglottis
  • Granulomatous lesion involving anterior larynx is likely to be histoplasmosis
Case reports
Microscopic (histologic) images

Images hosted on other servers:
Missing Image

Fig 1: endoscopy; fig2: sheets of eosinophilic histiocytes; fig3: histiocytic intracellular inclusions with peripheral halos; fig 4: yeast forms; fig 5: PAS; fig 6: GMS

Differential diagnosis
  • Laryngeal carcinoma (clinically)
Back to top