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Nasal Cavity and Paranasal Sinuses

Nonepithelial tumors such as those of lymphoid tissue, soft tissue, bone, and cartilage are not included
  • American Joint Committee on Cancer

Summary of Changes

A new site has been added for inclusion into the staging system. In addition to maxillary sinus, the nasoethmoid complex is described as a second site with two regions within this site: nasal cavity and ethmoid sinuses.

The nasal cavity region is further divided into four subsites: septum, floor, lateral wall, and vestibule. The ethmoid sinus region is divided into two subsites: right and left.

The T staging of ethmoid lesions has been revised to reflect nasoethmoid tumors, and appropriate description for the T staging has been added.

For maxillary sinus, T4 lesions have been divided into T4a (resectable) and T4b (unresectable), leading to the division of Stage IV into Stage IVA, J Stage IVB, and Stage IVC.

Keywords

Nasal Cavity Basal Cell Carcinoma Paranasal Sinus Maxillary Sinus Small Cell Carcinoma 
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

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • American Joint Committee on Cancer
    • 1
  1. 1.Executive OfficeChicagoUSA

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