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Eble JN, Sauter G., Epstein JI, Sesterhenn IA - iarc

Eble JN, Sauter G., Epstein JI, Sesterhenn IA - iarc

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TNM classification of carcinomas of the urethra<br />

TNM classification 1,2<br />

T – Primary tumour<br />

TX Primary tumour cannot be assessed<br />

T0 No evidence of primary tumour<br />

Urethra (male and female)<br />

Ta Non-invasive papillary, polypoid, or verrucous carcinoma<br />

Tis Carcinoma in situ<br />

T1 Tumour invades subepithelial connective tissue<br />

T2 Tumour invades any of the following: corpus spongiosum, prostate,<br />

periurethral muscle<br />

T3 Tumour invades any of the following: corpus cavernosum, beyond<br />

prostatic capsule, anterior vagina, bladder neck<br />

T4 Tumour invades other adjacent organs<br />

Urothelial carcinoma of prostate (prostatic urethra)<br />

Tis pu Carcinoma in situ, involvement of prostatic urethra<br />

Tis pd Carcinoma in situ, involvement of prostatic ducts<br />

T1<br />

T2<br />

T3<br />

T4<br />

Tumour invades subepithelial connective tissue<br />

Tumour invades any of the following: prostatic stroma, corpus spongiosum,<br />

periurethral muscle<br />

Tumour invades any of the following: corpus cavernosum, beyond<br />

prostatic capsule, bladder neck (extra- prostatic extension)<br />

Tumour invades other adjacent organs (invasion of bladder)<br />

N – Regional lymph nodes<br />

NX Regional lymph nodes cannot be assessed<br />

N0 No regional lymph node metastasis<br />

N1 Metastasis in a single lymph node 2 cm or less in greatest dimension<br />

N2 Metastasis in a single lymph node more than 2 cm in greatest<br />

dimension, or multiple lymph nodes<br />

M – Distant metastasis<br />

MX Distant metastasis cannot be assessed<br />

M0 No distant metastasis<br />

M1 Distant metastasis<br />

Stage Grouping<br />

Stage 0a Ta N0 M0<br />

Stage 0is Tis N0 M0<br />

Tis pu N0 M0<br />

Tis pd N0 M0<br />

Stage I T1 N0 M0<br />

Stage II T2 N0 M0<br />

Stage III T1, T2 N1 M0<br />

T3 N0, N1 M0<br />

Stage IV T4 N0, N1 M0<br />

Any T N2 M0<br />

Any T Any N M1<br />

__________<br />

1<br />

{944,2662}.<br />

2<br />

A help desk for specific questions about the TNM classification is available at http://www.uicc.org/tnm/<br />

92 Tumours of the urinary system

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