INBDE (Integrated National Board Dental Examination) Practice Exam

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Warthin's tumor is commonly found where?

  1. Sublingual gland

  2. Palate

  3. Submandibular gland

  4. Parotid gland

The correct answer is: Parotid gland

Warthin's tumor, also known as a papillary cystadenoma lymphomatosum, is a benign cystic tumor that is most commonly found in the parotid gland. It is the second most common tumor of the salivary glands and typically occurs in the tail of the parotid gland. Warthin's tumor is characterized by its unique histological features, including double-layered oncocytic epithelium and papillary infoldings. It is important to associate Warthin's tumor specifically with the parotid gland, as this can help in making a more accurate differential diagnosis when faced with a salivary gland mass. The other options are incorrect because Warthin's tumor is not commonly found in the sublingual gland, palate, or submandibular gland.