# Uncommon Site Presentation: A Case Report of Extraparotid Warthin’s Tumor

## TL;DR

This case report describes a rare instance of Warthin’s tumor occurring in the submandibular gland of a 66-year-old man, highlighting its unusual presentation as a cervical mass.

## Contribution

The paper presents a rare case of extraparotid Warthin’s tumor in the submandibular gland, emphasizing its diagnostic challenges and clinical relevance.

## Key findings

- Warthin’s tumor was diagnosed in the submandibular gland after surgical enucleation of a painless cervical mass.
- The case underscores the importance of considering Warthin’s tumor in the differential diagnosis of lateral cervical masses.
- Extraparotid Warthin’s tumors are rare and may present diagnostic difficulties due to their atypical locations.

## Abstract

Warthin’s tumor, also known as adenolymphoma or papillary cystadenoma lymphomatosum, is a benign tumor almost exclusively found in the parotid gland and is the second most common type of benign parotid tumor. Its manifestation as an extraparotid lesion is rare, with a low incidence in the submandibular gland. In this context, we present a case of Warthin’s tumor of the submandibular gland in a 66-year-old man who presented with a painless lateral cystic cervical mass. This case highlights the clinical and radiological evidence of an uncommon extraparotid tumor location, with the diagnosis becoming evident only after the enucleation of the mass. Despite the rarity of extraparotid Warthin’s tumor and its potential variation in location, the authors recommend considering Warthin’s tumor of the submandibular gland in the differential when assessing lateral cervical masses.