Nasal cavity, paranasal sinuses, nasopharynx
TNM staging - mucosal melanoma

Topic Completed: 1 November 2004

Revised: 19 February 2019

Copyright: 2004-2018,, Inc.

PubMed Search: TNM staging mucosal melanoma[TIAB]
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Page views in 2019 to date: 193
Cite this page: Pernick N. TNM staging - mucosal melanoma. website. Accessed April 26th, 2019.
Primary tumor (T) - mucosal melanoma
  • T3: Mucosal disease
  • T4a: Moderately advanced local disease - tumor involving deep soft tissue, cartilage, bone or overlying skin
  • T4b: Very advanced local disease - tumor involving brain, dura, skull base, lower cranial nerves (IX, X, XI, XII), masticator space, carotid artery, prevertebral space or mediastinal structures
Regional lymph nodes (N) - mucosal melanoma
  • NX: Regional lymph nodes cannot be assessed
  • N0: No regional lymph node metastases
  • N1: Regional lymph node metastases present
Distant metastasis (M) - mucosal melanoma
  • M0: No distant metastasis
  • M1: Distant metastasis
Anatomic stage / prognostic groups - mucosal melanoma
  • III: T3 N0 M0
  • IVA: T4a N0 M0 or T3 - 4a N1 M0
  • IVB: T4b any N M0
  • IVC: Any T any N M1
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