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Salivary glands



Reviewers: Fatima Aly, M.D., National Cancer Institute (see Reviewers page)
Revised: 1 February 2013, last major update August 2011
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.


● Stones (calculi) within salivary ducts
● Most common within submandibular gland (saliva may be more saturated with calcium salts)
● Stones may have foreign body or bacterial nidus; also composed of carbonate apatite
● Produces swelling of distal salivary gland tissue, then glandular inflammation and induration with destruction of acini


● Surgical removal, disintegration of calculi with shock-wave lithotripsy

Gross images

Removal of sialolith from Wharton’s duct

Micro description

● Dilated ducts with squamous metaplasia, variable chronic inflammatory infiltrate, variable destruction of acini

Cytology images

Benign duct obstructive lesion due to sialolithiasis

End of Salivary Glands > Inflammation > Sialolithiasis

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