What causes autoimmune sialadenitis?

Updated: May 12, 2020
  • Author: Adi Yoskovitch, MD, MSc; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Autoimmune diseases, in particular Sjögren syndrome, can be associated with sialadenitis. Although preferentially affecting the parotid gland, the submandibular and minor salivary glands are also affected. The disease, which is associated with keratoconjunctivitis sicca, xerostomia, salivary gland enlargement, and lingual papillary atrophy, is confirmed through biopsy of the minor salivary glands of the lip. Numerous laboratory tests are also used to confirm the diagnosis, such as autoantibodies Sjögren syndrome A (SS-A) and Sjögren syndrome B (SS-B), rheumatoid factor, and antinuclear antibodies.


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