Oral cavity & oropharynx


Staging-mucosal melanoma

Last author update: 1 November 2013
Last staff update: 9 September 2020

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PubMed Search: TNM staging mucosal melanoma

Nat Pernick, M.D.
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Cite this page: Pernick N Staging-mucosal melanoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/oralcavitystagingmucosalmelanoma.html. Accessed June 9th, 2023.
Definition / general
  • This staging is appropriate for all Head and Neck sites. It is still PENDING for the AJCC 8th Edition.
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
IVA:T4aN0M0orT3 - 4aN1M0
IVB:T4bany NM0
IVC:any Tany NM1
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