Oral cavity
Miscellaneous
TNM staging - mucosal melanoma

Author: Nat Pernick, M.D. (see Authors page)

Revised: 16 April 2018, last major update November 2013

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: TNM staging mucosal melanoma

Cite this page: Pernick, N. TNM staging - mucosal melanoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavitystagingmucosalmelanoma.html. Accessed July 23rd, 2018.
Definition / general
Primary tumor (T)
  • 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)
  • NX: regional lymph nodes cannot be assessed
  • N0: no regional lymph node metastases
  • N1: regional lymph node metastases present
Distant metastasis (M)
  • M0: no distant metastasis
  • M1: distant metastasis
Anatomic stage / prognostic groups
III:T3N0M0
IVA:T4aN0M0orT3 - 4aN1M0
IVB:T4bany NM0
IVC:any Tany NM1