1. El-Naggar AK, Chan JKC, Grandis JR, Takata T, Slootweg PJ. WHO classification of head and neck tumours. 4th ed. Lyon: International Agency for Research on Cancer; 2017. 347 p.
2. Bossi P, Farina D, Gatta G, Lombardi D, Nicolai P, Orlandi E. Paranasal sinus cancer. Crit Rev Oncol Hematol. 2016;98:45–61.
3. Lund VJ, Stammberger H, Nicolai P, Castelnuovo P, Beal T, Beham A, et al. European position paper on endoscopic management of tumours of the nose, paranasal sinuses and skull base. Rhinol Suppl. 2010;22:1–143.
4. Wang EW, Zanation AM, Gardner PA, Schwartz TH, Eloy JA, Adappa ND, et al. ICAR: endoscopic skull-base surgery. Int Forum Allergy Rhinol. 2019;9(S3):S145–365.
5. Rimmer J, Hellings P, Lund VJ, Alobid I, Beale T, Dassi C, et al. European position paper on diagnostic tools in rhinology. Rhinology. 2019;57(Suppl S28):1–41.