Ectopic tonsil should be considered in the differential for new hypopharyngeal massesEctopic Tonsils May Be Linked to New Hypopharyngeal Masses

Frontiers in Medicine Published November 5, 2026 DOI ↗ Editorial oversight: Dr. Lars van Dijk, PhD · Surgical, Procedural & Diagnostic

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Key Takeaway

Consider ectopic tonsil in the differential for new hypopharyngeal masses, though evidence is a single case.

This publication is a case report with a literature review, not a controlled trial. It describes a single adult in whom an ectopic tonsil and a thyroid goiter were treated with surgical excision. Setting, follow-up duration, and comparator are not reported.

The primary outcome was histopathological confirmation of ectopic tonsil tissue, which the authors report showed characteristic tonsillar architecture along with preserved immune function. No effect sizes, absolute numbers, or statistical comparisons were reported, and the secondary outcome of immune function preservation is described qualitatively rather than quantified.

Safety data are not reported: adverse events, serious adverse events, discontinuations, and tolerability are all absent from the source. Funding and conflicts of interest are also not reported.

The authors acknowledge a small sample size (a single case) as a limitation. A case report cannot establish incidence, natural history, or the relative merits of surgical versus other management, and the immune function finding rests on this one patient.

For practice, the clinically useful message is diagnostic: ectopic tonsils should be considered in the differential diagnosis of newly identified hypopharyngeal masses. The report does not provide outcome data that would support changing surgical or surveillance strategy, and clinicians should treat the immune function observation as hypothesis-generating only.

Doctors identified a case where a patient had an ectopic tonsil and a thyroid goiter. An ectopic tonsil is a piece of tissue that grows in an unusual location, such as the hypopharynx, instead of its normal spot. This finding is important because these masses can sometimes be mistaken for other conditions during medical exams.

After the surgical removal of the tissue, tests confirmed the presence of tonsillar architecture. The study also looked at the patient's immune system. These tests showed that the immune function remained intact after the surgery was performed.

Because this is a single case report, the findings are not enough to change standard medical practices. However, it serves as a helpful reminder for doctors. When they find a new mass in the hypopharyngeal area, they should consider an ectopic tonsil as a possible cause during their diagnosis.

What this means for you:

Ectopic tonsils can appear as masses in the throat and should be considered during the diagnosis of such cases.

Common questions

What is an ectopic tonsil?

An ectopic tonsil is a piece of tonsil tissue that grows in an unusual location rather than its normal spot. In this specific case, the tissue was found in the hypopharynx. This finding helps doctors distinguish it from other types of masses that might appear in the throat area.

Is it safe to remove an ectopic tonsil?

In the case reported, the surgical excision of the ectopic tonsil and thyroid goiter was performed. Following the surgery, histopathological examinations confirmed the tissue type and showed that the patient's immune function was preserved. You should speak with a doctor to discuss specific surgical risks and safety.

How does this finding help doctors?

This case helps doctors by providing a specific possibility when they find new masses in the hypopharynx. It suggests that an ectopic tonsil should be included in the list of possible conditions to check when a patient presents with a mass in that specific area of the throat.

Study Details

Study typeSystematic review

EvidenceLevel 1

PublishedNov 2026

View Original Abstract ↓

Ectopic tonsils refer to tonsillar tissue located outside the Waldeyer's lymphatic ring and represent a rare anatomical variant. The pathogenesis of this entity remains unclear, and whether such ectopic lymphoid tissue retains immunological function has not been well established. We report a case of an adult presenting with an ectopic tonsil concomitant with a thyroid goiter. The patient underwent surgical excision of both lesions. The postoperative histopathological examination with hematoxylin-eosin staining and immunohistochemistry confirmed that the ectopic tissue exhibited characteristic tonsillar architecture and preserved immune function. Although the clinical incidence of ectopic tonsils is low, this entity should be considered in the differential diagnosis of newly identified hypopharyngeal masses. Furthermore, our findings provide evidence that ectopic tonsils may retain functional immunological properties, offering potential implications for future diagnostic, therapeutic, and etiological investigations.

Ectopic tonsil should be considered in the differential for new hypopharyngeal massesEctopic Tonsils May Be Linked to New Hypopharyngeal Masses

Common questions

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Ectopic tonsil should be considered in the differential for new hypopharyngeal massesEctopic Tonsils May Be Linked to New Hypopharyngeal Masses

Common questions

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