TNM staging for carcinoma of the conjunctiva

Topic Completed: 1 September 2013

Revised: 27 March 2019

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PubMed Search: TNM staging for carcinoma conjunctiva

Nat Pernick, M.D.
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Cite this page: Pernick N. Conjunctiva: TNM staging for carcinoma of the conjunctiva. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeconjTNM.html. Accessed September 18th, 2019.

Pathologic TNM staging of carcinoma of conjunctiva, AJCC 7th edition
Definition / general
  • Applies to clinical and pathologic staging
  • Excludes melanoma and malignancies other than carcinoma
Primary tumor (T)
  • TX: Primary tumor cannot be assessed
  • T0: No evidence of primary tumor
  • Tis: Carcinoma in situ
  • T1: Tumor 5 mm or less in greatest dimension
  • T2: Tumor more than 5 mm in greatest dimension, without invasion of adjacent structures
  • T3: Tumor invades adjacent structures, excluding the orbit
  • T4: Tumor invades the orbit with or without further extension
  • T4a: Tumor invades orbital soft tissues, without bone invasion
  • T4b: Tumor invades bone
  • T4c: Tumor invades adjacent paranasal sinuses
  • T4d: Tumor invades brain
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
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