Staging of transitional cell carcinoma of the ureter

Transitional cell carcinoma of the ureter is staged using the TNM system and is very similar to staging of TCC of the bladder and to staging of TCC of the renal pelvis

TNM staging

T
  • Ta: non invasive papillary tumour
  • Tis: in situ (non invasive flat)
  • T1: through lamina propria into sub-epithelial connective tissues
  • T2: into muscularis propria
  • T3: invasion into periureteric fat
  • T4: direct invasion into adjacent organs/structures
N

Nodal staging is the same for TCC of any part of the urinary tract.

  • N0: no nodal involvement
  • N1: single node involved <2cm
  • N2
    • single node 2-5cm OR
    • multiple nodes all <5cm
  • N3: one or more nodes >5cm
M
  • M0: no metastases
  • M1: metastases identified

Staging groups

Individual TNM stages can then be grouped:

  • stage 0: Ta or Tis, N0, M0
  • stage I: T1, N0, M0
  • stage II: T2(a or b), N0, M0
  • stage III: T3(a or b) or T4a, N0, M0
  • stage IV
    • T4b, any N, any M
    • N1-3, any T, any M

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