HPV associated squamous cell carcinoma
HPV related multiphenotypic sinonasal carcinoma
Intestinal-type sinonasal adenocarcinoma
Non-intestinal-type sinonasal adenocarcinoma
Keratinizing squamous cell carcinoma (KSCC)
Neuroendocrine tumour of the sinonasal tract and sinuses
Non-keratinizing squamous cell carcinoma (NKSCC)