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A small oral mass of lymphoid tissue, especially either of two such masses embedded in the lateral walls of the opening between the mouth and the pharynx, of uncertain function, but believed to help protect the body from respiratory infections.

[From Latin tōnsillae, tonsils, diminutive of tōlēs, swollen tonsils.]

ton′sil·lar adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


, tonsillary
a. tonsilar, rel. a una tonsila;
___ cryptcripta ___ o amigdalina;
___ fossafosa amigdalina.
English-Spanish Medical Dictionary © Farlex 2012
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CT of the oropharynx and the neck revealed a 5x3-cm mass in the left tonsillar region. Incisional biopsy was performed, and pathological examination revealed poorly differentiated carcinoma.
In a study conducted on a child with oropharyngeal injuries caused by pressure water jet, further examination revealed contrast media extravasation in the nasopharyngeal region, deep maceration in the tonsillar region and pneumomediastinum in response to the only visible lesion is a small abrasion on the cheek (10).
A 19-year-old female presented with history of foreign body sensation in throat for 2 weeks and mass in the left tonsillar region for 1 week.
Recently, human papillomavirus- (HPV-) related oropharyngeal squamous cell carcinomas (SCCs) have become an important subgroup of head and neck SCCs, and the tonsillar region is the most common location for HPV-associated head and neck SCCs.
Distant metastases of carcinoma of tonsillar region: a study of 475 patients.