Waldeyer's ring

Waldeyer's ring

[′väl‚dī·ərz ‚riŋ]
(anatomy)
A circular arrangement of the lymphatic tissues formed by the palatine and pharyngeal tonsils and the lymphatic follicles at the base of the tongue and behind the posterior pillars of the fauces.
References in periodicals archive ?
5 The sites most commonly affected are; the abdomen, the ileocecal region, the ovaries, the kidneys, omentum, Waldeyer's ring and the central nervous system.
Bone marrow, Waldeyer's ring, and gastrointestinal tract are more affected by the extranodal involvement of MCL.
Extranodal involvement is often seen in the gastrointestinal tract and Waldeyer's ring.
Some of the important contents of the suprahyoid neck are the mucosa, lymphoid tissue of Waldeyer's ring (adenoids, tonsils), and minor salivary glands.
As symmetrical tracer uptake can be frequently observed in the Waldeyer's ring and the pharyngeal and laryngeal musculature, only asymmetrical, focal tracer uptake compared with the background found in these locations was included in the analysis.
They can frequently involve extranodal sites like skin, central nervous system, and Waldeyer's ring at presentation and at relapse.
Mucosal inductive sites consist of the Peyer's patches or gut-associated lymphoid tissues as well as the Waldeyer's ring of tonsils and adenoids as nasopharyngeal associated lymphoid tissues, which collectively comprise a mucosa-associated or mucosa-associted lymphoid tissue (MALT) network for continuous supply of memory B and T cells to mucosal effector sites.
Is there a relationship between the detection of human herpesvirus 8 and Epstein-Barr virus in Waldeyer's ring tissue?
A predilection of HPV for certain, especially non-keratinized anatomical sites in the oropharynx, was confirmed when HPV 16-related DNA sequences were detected in 16%, 51%, 60%, and 13% of SCC of the tongue, tonsil, Waldeyer's ring, and pharynx respectively (7,16,17).
Waldeyer's ring lymphomas: A clinical study from the Comprehensive Cancer Center West population based NHL registry.
Low-grade B-cell lymphoma of mucosa-associated lymphoid tissue type in Waldeyer's ring.