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
• Carcinosarcoma, Intraductal carcinoma, Intraductal papillary mucinous neoplasms, Mucinous adenocarcinoma, Oncocytic carcinoma, Salivary gland, World health organization classification,
• MeSH
• Humans MeSH
• Head and Neck Neoplasms * MeSH
• Salivary Gland Neoplasms * pathology   MeSH
• Salivary Glands pathology   MeSH
• Check Tag
• Humans MeSH
• Publication type
• Journal Article MeSH
• Review MeSH
• Geographicals
• New Orleans MeSH