INBDE (Integrated National Board Dental Examination) Practice Exam

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Which salivary gland malignancy has a cribriform or Swiss cheese microscopic pattern?

  1. Adenoid cystic carcinoma

  2. Mucoepidermoid carcinoma

  3. Pleomorphic adenoma

  4. Warthin's tumor

The correct answer is: Adenoid cystic carcinoma

Adenoid cystic carcinoma is the correct answer because it is a type of salivary gland malignancy that often has a distinct cribriform or Swiss cheese microscopic pattern. This pattern is not typically seen in mucoepidermoid carcinoma, pleomorphic adenoma, or Warthin's tumor. Mucoepidermoid carcinoma often presents with mucin-filled cysts and epidermoid and mucous cells, while pleomorphic adenoma often has a mixture of glandular and stromal tissue. Warthin's tumor typically has an oncocytic papillary cystadenoma pattern. Therefore, A is the only correct answer based on the given information.

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