Definitions for dacryocystitis
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inflammation of the lacrimal sac causing obstruction of the tube draining tears into the nose
An infection of the lacrimal sac
Dacryocystitis is an inflammation of the nasolacrimal sac, frequently caused by nasolacrimal duct obstruction or infection. The term derives from the Greek dákryon, cysta, and -itis. It causes pain, redness, and swelling over the inner aspect of the lower eyelid and epiphora. When nasolacrimal duct obstruction is secondary to a congenital barrier it is referred to as dacrocystoceles. It is most commonly caused by Staphylococcus aureus and Streptococcus pneumoniae. The most common complication is corneal ulceration, frequently in association with S. pneumoniae. The mainstays of treatment are oral antibiotics, warm compresses, and relief of nasolacrimal duct obstruction by dacryocystorhinostomy.
U.S. National Library of Medicine
Inflammation of the lacrimal sac. (Dorland, 27th ed)
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"dacryocystitis." Definitions.net. STANDS4 LLC, 2015. Web. 30 Nov. 2015. <http://www.definitions.net/definition/dacryocystitis>.