Mucosal Melanoma of Head and Neck Staging 

Updated: Feb 22, 2016
  • Author: Marvaretta M Stevenson, MD; Chief Editor: Guy J Petruzzelli, MD, PhD, MBA, FACS  more...
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TNM Classification for Mucosal Melanoma of Head and Neck

The TNM classification for mucosal melanoma of the head and neck is provided below, along with anatomic staging. [1]

Table. TNM classification (Open Table in a new window)

Primary tumor (T)
TX Primary tumor cannot be assessed
T3 Mucosal disease
T4a Moderately advanced disease
  • Tumor involving deep soft tissue, cartilage, bone, or overlying skin
T4b Very advanced 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

Table. Anatomic stage/prognostic groups (Open Table in a new window)

Stage T N M
III T3 N0 M0
IVA T4a N0 M0
T3 N1 M0
T4a N1 M0
IVB T4b N Any M0
IVC T Any N Any M1