WordNet

inflammation of the lacrimal sac causing obstruction of the tube draining tears into the nose

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/05/25 17:23:44」(JST)

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Dacryoadenitis is inflammation of the lacrimal glands (the tear-producing glands).

Causes, incidence, and risk factors

Acute dacryoadenitis is most commonly due to viral or bacterial infection. Common causes include mumps, Epstein-Barr virus, staphylococcus, and gonococcus.

Chronic dacryoadenitis is usually due to noninfectious inflammatory disorders. Examples include sarcoidosis, thyroid eye disease, and orbital pseudotumor.

Symptoms

Swelling of the outer portion of the upper lid, with possible redness and tenderness
Pain in the area of swelling
Excess tearing or discharge
Swelling of lymph nodes in front of the ear

Signs and tests

Dacryoadenitis can be diagnosed by examination of the eyes and lids. Special tests such as a CT scan may be required to search for the cause. Sometimes biopsy will be needed to be sure that a tumor of the lacrimal gland is not present.

Treatment

If the cause of dacryoadenitis is a viral condition such as mumps, simple rest and warm compresses may be all that is needed. For other causes, the treatment is specific to the causative disease.

Prognosis

Most patients will fully recover from dacryoadenitis. For conditions with more serious causes, such as sarcoidosis, the prognosis is that of the underlying condition.

Complications

Swelling may be severe enough to put pressure on the eye and distort vision. Some patients first thought to have dacryoadenitis may turn out to have a malignancy of the lacrimal gland.

Prevention

Mumps can be prevented by immunization. Gonococcus, bacteria can be avoided by the use of condoms. Most other causes cannot be prevented.

External links

Source (NIH/Medline)
eMedicine
Photo (at Columbia)
DDB 3430

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English Journal

T helper subsets in Sjögren's syndrome and IgG4-related dacryoadenitis and sialoadenitis: A critical review.

Moriyama M1, Tanaka A1, Maehara T1, Furukawa S1, Nakashima H2, Nakamura S3.
Journal of autoimmunity.J Autoimmun.2014 Jun;51C:81-88. doi: 10.1016/j.jaut.2013.07.007. Epub 2013 Aug 3.
IgG4-related disease (IgG4-RD) is a systemic disease characterized by the elevation of serum IgG4 and infiltration of IgG4-positive plasma cells in multiple target organs, including the pancreas, kidney, biliary tract and salivary glands. In contrast, Mikulicz's disease (MD) has been considered a su
PMID 23920005

Spontaneous expulsion of lacrimal gland ductule stones by eyelid squeezing: a rare event.

Chandravanshi SL.
Orbit (Amsterdam, Netherlands).Orbit.2014 Jun;33(3):223-5. doi: 10.3109/01676830.2014.894538. Epub 2014 Mar 28.
Abstract Purpose: To report a rare case of lacrimal gland ductule stones. Methods: Case report. Results: A 12-year-old female patient presented with pain, redness and swelling in the superotemporal fornix of the left eye of 1-week duration. She had experienced four similar episodes over a period of
PMID 24678871

Dacryolith-induced acute dacryocystitis: a reversible cause of nasolacrimal duct obstruction.

Dhillon N1, Kreis AJ, Madge SN.
Orbit (Amsterdam, Netherlands).Orbit.2014 Jun;33(3):199-201. doi: 10.3109/01676830.2013.871300. Epub 2014 Feb 25.
Abstract Aims: To report an unusual case of acute dacryocystits with fully patent nasolacrimal duct at follow-up after incision and curettage. Case Report: A 63-year-old patient with acute dacryocystitis and nasolacrimal duct abscess. CT orbits confirmed dacryocystitis without any orbital collection
PMID 24568662