Proceedings of the North American Society of Head and Neck Pathology Companion Meeting, New Orleans, LA, March 12, 2023: Classification of Salivary Gland Tumors: Remaining Controversial Issues?

Abstract

The salivary gland section in the 5th edition of the World Health Organization Classification of Head and Neck Tumours includes a description of several new entities. In addition, numerous tumor variants were described and new concepts proposed, most of which have been based on recent molecular discoveries.

However, there are still some controversial issues that remain to be resolved, and some of them are discussed in this review.

Keywords

• Salivary gland
• World health organization classification
• Intraductal carcinoma
• Mucinous adenocarcinoma
• Intraductal papillary mucinous neoplasms
• Oncocytic carcinoma
• Carcinosarcoma