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Author Credentials

Kristen E. Bowman, OMS-IV

Author ORCID Identifier

0009-0006-4656-4372

Keywords

Warthin Tumor, Extra-Parotid Warthin Tumor, Salivary Gland Neoplasm, Cervical Adenopathy, Ultrasound Guided Biopsy

Disciplines

Diseases | Medicine and Health Sciences | Pathological Conditions, Signs and Symptoms

Abstract

A Warthin tumor is a salivary gland neoplasm that arises in the parotid gland which is frequently benign. This case study presents a rare instance of a Warthin tumor occurring in an extraparotid location; specifically, within the left-sided cervical lymph nodes of a 64-year-old male patient. The patient initially presented with fluctuating cervical adenopathy. Although an initial ultrasound-guided biopsy was inconclusive,  a computed tomography (CT) scan revealed a well-demarcated, heterogeneous lesion in an atypical location between the parotid gland and the sternocleidomastoid muscle. Surgical excision of the mass was performed and the specimen was sent to pathology for further analysis. Histopathological analysis, along with flow cytometry, confirmed the diagnosis of a Warthin tumor.. Flow cytometry was used to exclude lymphoproliferative disease, aiding in narrowing down a broad range of potential diagnoses. This case highlights the importance of including Warthin tumor in the differential diagnosis of cervical masses, particularly when they arise outside the typical parotid location. Recognizing such atypical presentations is essential for accurate diagnosis and appropriate management.

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