Benign Tumours of the Anterior Skull Base and Paranasal Sinuses

  • Noam Weizman
  • Leonor Leider-Trejo
  • Dan M. Fliss
  • Ziv Gil
Part of the Head and Neck Cancer Clinics book series (HNCC)


Benign sinonasal tumours are relatively common, with an overall incidence of 3–5 %. These tumours may be divided into fibro-osseous lesions and soft tissue tumours. Many of them are asymptomatic and are discovered incidentally on imaging studies or nasal endoscopy; for example, osteomas present as an incidental finding in up to 1 % of plain sinus radiographs, and in 3 % of sinus computerized tomograms (CTs) [1, 2]. Other tumours may cause symptoms, such as nasal obstruction, epistaxis, deformation and orbit-related problems. Soft tissue tumours will usually require biopsy and surgical resection, whereas fibro-osseous lesions may be followed radiologically if they are not associated with symptoms or signs. The indication for surgical treatment should be based on pathological findings and symptoms; this should be weighed against the adverse effects of treatment. Many of these tumours can be removed endoscopically, while others may require open approaches. In this chapter, we review the major histological types of benign sinonasal tumours, as well as their clinical presentation and management (Box 3.1). The radiological features of each tumour are further discussed in Chap.  5.


Nasal Obstruction Fibrous Dysplasia Sphenoid Sinus Frontal Sinus Nasal Endoscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© The Author(s)  2012

Authors and Affiliations

  • Noam Weizman
    • 1
  • Leonor Leider-Trejo
    • 2
  • Dan M. Fliss
    • 1
  • Ziv Gil
    • 3
  1. 1.Department of Otolaryngology, Head and Neck and Maxillofacial SurgeryTel Aviv Sourasky Medical Center, Tel Aviv UniversityTel AvivIsrael
  2. 2.Institute of Pathology, Tel Aviv Sourasky Medical CenterTel Aviv UniversityTel AvivIsrael
  3. 3.Head and Neck Surgery Unit, Department of Otolaryngology, Head and Neck and Maxillofacial SurgeryTel Aviv Sourasky Medical Center, Tel Aviv UniversityTel AvivIsrael

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