1. Carrau RL, Myers EN (2001) Neoplasms of the nose and paranasal sinuses. In: Bailey BJ et al. (eds) Head and neck surgery—Otolaryngology, 3rd edn. Philadelphia: Lippincott Williams & Wilkins, pp 1247–1265
2. Chiesa F, De Paoli F (2001) Distant metastases from nasopharyngeal cancer. J Otorhinolaryngol Relat Soec 63:214–216
3. Chole RA (1993) Chronic otitis media, mastoiditis, and petrositis. In: Cummings CW et al (eds) Otolaryngology – Head and neck surgery, 2nd edn. St. Louis: Mosby-Year Book
4. Euteneuer S, Sudhoff H, Bernal-Sprekelsen M, et al (2005) Malignomas of the nasal cavity and the paranasal sinuses: clinical characteristics, therapy and prognosis of different tumor types. Laryngorhinootologie 83:33–39
5. Evans C (1981) Etiology and treatment of frontoethmoidal mucocele. J Laryngol Otol 95:361–375