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Staging-eyelid



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PubMed Search: TNM staging for carcinoma of the eyelid

Nat Pernick, M.D.
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Cite this page: Pernick N. Staging-eyelid. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeeyelidTNM.html. Accessed March 28th, 2024.

Pathologic TNM staging of carcinoma of the eyelid, AJCC 7th edition
Definition / general
  • Applies to clinical and pathologic staging
  • Note: 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, not invading the tarsal plate or eyelid margin
  • T2a: Tumor more than 5 mm, but not more than 10 mm in greatest dimension, or any tumor that invades the tarsal plate or eyelid margin
  • T2b: Tumor more than 10 mm, but not more than 20 mm in greatest dimension, or involving the full thickness eyelid
  • T3a: Tumor more than 20 mm in greatest dimension, or any tumor that invades adjacent ocular or orbital structures, or any T with perineural tumor invasion
  • T3b: Complete tumor resection requires enucleation, exenteration or bone resection
  • T4: Tumor is not resectable due to extensive invasion of ocular, orbital, craniofacial structures or brain
Regional lymph nodes (N)
  • NX: Regional lymph nodes cannot be assessed
  • cN0: No regional lymph node metastasis, based on clinical evaluation or imaging
  • pN0: No regional lymph node metastasis, based on lymph node biopsy
  • N1: Regional lymph node metastasis
Distant metastasis (M)
  • M0: No distant metastasis
  • M1: Distant metastasis
Stage grouping of eyelid carcinoma
  • 0: Tis N0 M0
  • IA: T1 N0 M0
  • IB: T2a N0 M0
  • IC: T2b N0 M0
  • II: T3a N0 M0
  • IIIA: T3b N0 M0
  • IIIB: Any T N1 M0
  • IIIC: T4 Any N M0
  • IV: Any T any N, M1
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