What is dacryocystitis?

Updated: Oct 08, 2019
  • Author: Grant D Gilliland, MD; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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Answer

Dacryocystitis is an infection or inflammation of the nasolacrimal sac, usually accompanied by blockage of the nasolacrimal duct. Dacryocystitis can be acute or chronic and congenital or acquired. When present, medial canthal swelling of dacryocystitis is usually located below the medial canthal tendon.


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