Orbit and optic nerve
TNM staging for sarcoma of the orbit

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

Revised: 16 April 2018, last major update February 2014

Copyright: (c) 2004-2018, PathologyOutlines.com, Inc.

PubMed Search: TNM staging for sarcoma of the orbit

Cite this page: Pernick, N. TNM staging for sarcoma of the orbit. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeorbittnmsarcoma.html. Accessed October 16th, 2018.

Pathologic TNM staging of sarcoma of the orbit, AJCC 7th edition
Definition / general
  • Includes rhabdomyosarcoma, osteogenic sarcoma, leiomyosarcoma, etc
Primary tumor (T)
  • TX: primary tumor cannot be assessed
  • T0: no evidence of primary tumor
  • T1: tumor 15 mm or less in greatest dimension
  • T2: tumor more than 15 mm in greatest dimension without invasion of globe or bony wall
  • T3: tumor of any size with invasion of orbital tissues or bony walls
  • T4: tumor invasion of globe or periorbital structure, such as eyelids, temporal fossa, nasal cavity and paranasal sinuses, or central nervous system
Regional lymph nodes (N)
  • NX: regional lymph nodes cannot be assessed
  • N0: no regional lymph node metastasis
  • N1: regional lymph node metastasis
Distant metastasis (M)
  • M0: no distant metastasis
  • M1: distant metastasis
Stage grouping
  • No stage grouping is presently recommended by AJCC 7th edition