Lacrimal duct / gland
Dacryocystitis / canaliculitis

Author: Nat Pernick, M.D. (see Authors page)

Revised: 9 May 2018, last major update February 2014

Copyright: (c) 2004-2018, PathologyOutlines.com, Inc.

PubMed Search: Dacryocystitis canaliculitis

Cite this page: Pernick, N. Lacrimal duct: dacryocystitis / canaliculitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyelacrimaldacryocystitis.html. Accessed September 21st, 2018.
Definition / general
  • Often obscure origin; may be due to inflammatory spread from nose or conjunctiva
  • Acute or chronic inflammation with suppurative, granulomatous or necrotizing features
  • Fistulous tracts may form to skin below eyelid near base of nose
  • Canaliculitis: inflammation of lacrimal duct
  • Dacryocystitis: inflammation of lacrimal sac
  • Acute: ducts filled with purulent exudate
  • Chronic: lacrimal canal narrows due to inflammatory thickening, epithelial hyperplasia