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| ==Chronic sialadenitis== | | ==Chronic sialadenitis== |
| :''Chronic sailolithiasis'' redirects here.
| | {{Main|Chronic sialadenitis}} |
| :''Sialadenitis'' redirects here.
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| ===General===
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| *Occasionally associated with malignancy, e.g. [[adenoid cystic carcinoma]].<ref name=pmid21159490>{{cite journal |author=Hasegawa M, Cheng J, Maruyama S, ''et al.'' |title=Complication of adenoid cystic carcinoma and sialolithiasis in the submandibular gland: report of a case and its etiological background |journal=Int J Oral Maxillofac Surg |volume=40 |issue=6 |pages=647–50 |year=2011 |month=June |pmid=21159490 |doi=10.1016/j.ijom.2010.11.009 |url=}}</ref>
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| Etiology:<ref>URL: [http://emedicine.medscape.com/article/882358-overview http://emedicine.medscape.com/article/882358-overviewhttp://emedicine.medscape.com/article/882358-overview]. Accessed on: 10 January 2011.</ref>
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| *Infection.
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| *Autoimmune (e.g. [[Sjögren syndrome]], [[systemic lupus erythematosus]]).
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| *Other.
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| ===Microscopic===
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| Features:
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| *Non-neoplastic mononuclear inflammatory infiltrate (lymphocytes, [[plasma cell]]s).
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| *Fibrosis.
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| *+/-Calcifications.
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| Note:
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| *If the infiltrate is predominantly lymphocytes Sjögren's is a possibility, and reporting a ''[[Focus score]]'' should be considered.
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| DDx:
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| *[[Lymphoma]] - especially [[MALT lymphoma]].<ref name=pmid22475637>{{Cite journal | last1 = Beasley | first1 = MJ. | title = Lymphoma of the Thyroid and Head and Neck. | journal = Clin Oncol (R Coll Radiol) | volume = | issue = | pages = | month = Apr | year = 2012 | doi = 10.1016/j.clon.2012.02.010 | PMID = 22475637 }}</ref>
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| ====Image====
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| <gallery>
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| Image:Chronic_sialadenitis.jpg | Chronic sialadenitis. (WC/Nephron)
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| </gallery>
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| ===Sign out===
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| <pre>
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| SUBMANDIBULAR GLAND, RIGHT, EXCISION:
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| - CHRONIC SIALOADENITIS.
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| - SIALOLITHIASIS.
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| - TWO BENIGN LYMPH NODES.
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| - NEGATIVE FOR MALIGNANCY.
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| </pre>
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| ====Micro====
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| The sections show submandibular salivary gland with a mild patchy mixed mononuclear cell
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| infiltrate, fibrosis and a large benign calcification. No zonal necrosis is identified.
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| Significant nuclear atypia is not identified.
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| ==Salivary gland mucocele== | | ==Salivary gland mucocele== |