Salivary glands
Nonneoplastic tumors / tumor-like conditions
Adenomatoid hyperplasia and sialadenosis
Author: F. Zahra Aly, M.D., Ph.D.
Last author update: 1 August 2011
Last staff update: 7 April 2021
Copyright: 2003-2025, PathologyOutlines.com, Inc.
PubMed Search: Adenomatoid hyperplasia of minor salivary glands >
Cite this page: Aly FZ Adenomatoid hyperplasia and sialadenosis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/salivaryglandsadenomatoidhyperplasia.html. Accessed April 3rd, 2025.
Definition / general
- Presents as submucosal nodule or mass; may be hyperplastic or hamartomatous in nature
- Usually hard palate, also retromolar but may occur anywhere in the oral cavity
- Called sialadenosis in major salivary glands
- Etiology unknown; in major salivary glands, sialadenosis is associated with metabolic conditions
Microscopic (histologic) description
- Coalescing lobules of normal mucinous acini
