2016_Head & Neck COURSE BOOK

2005 WHO Classification of Sinonasal Tumor

• Squamous cell carcinoma (SCC) • Lymphoepithelial carcinoma • Adenocarcinoma ITAC, non ITAC (tubulopapillary LG) • Salivary gland type carcinomas • Neuroendocrine tumours carcinoid, small cell neuroendocrine type • Sinonasal undifferentiated carcinoma (SNUC) (HPV 10% - El-Mofty Am J Surg Pathol 2005)

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