Lacrimal duct / gland

Dacryocystitis / canaliculitis

Last author update: 1 February 2014
Last staff update: 23 December 2020

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PubMed Search: Dacryocystitis canaliculitis

Nat Pernick, M.D.
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Cite this page: Pernick N. Dacryocystitis / canaliculitis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyelacrimaldacryocystitis.html. Accessed September 21st, 2023.
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
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