Larynx, hypopharynx & trachea

Inflammatory / infectious lesions

Acute laryngoepiglottitis



Topic Completed: 1 November 2013

Minor changes: 3 March 2021

Copyright: 2002-2021, PathologyOutlines.com, Inc.

PubMed Search: Acute laryngoepiglottitis


Nat Pernick, M.D.
Page views in 2020: 363
Page views in 2021 to date: 484
Cite this page: Pernick N. Acute laryngoepiglottitis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/larynxacutelaryngoep.html. Accessed December 8th, 2021.
Definition / general
  • Also called acute supraglottitis
  • Rare; due to Haemophilus influenza type B or Streptococcus pyogenes; reduced incidence due to childhood vaccine for H. influenza
  • May produce sudden lethal swelling of epiglottis and vocal cords
  • Croup: laryngotracheobronchitis in children; inflammatory narrowing produces inspiratory stridor
Gross description
  • Red and edematous epiglottis
Microscopic (histologic) description
  • Acute inflammatory infiltrate with edema, extending to adjacent soft tissues
Microscopic (histologic) images

Images hosted on other servers:
Missing Image

H. influenza (site unknown)

Back to top
Image 01 Image 02