Penile tumors: an overview

Histologic types: Squamous cell carcinoma (90%) Adenocarcinoma (5%) Melanoma (2%) Basal cell carcinoma (2%) Sarcoma (1%) The 1997/2002 TNM (Tumour, Node, Metastasis) classification of penile cancer: T Primary tumour TX Primary tumour cannot be assessed T0 No evidence of primary tumour Tis Carcinoma in situ Ta Non-invasive verrucous carcinoma T1 Tumour invades subepithelial connective tissue T2 Tumour invades corpus spongiosum or cavernosum T3 Tumour invades urethra or prostate T4 Tumour invades other adjacent structures N Regional lymph nodes NX Regional lymph nodes cannot be assessed N0 No evidence of lymph node metastasis N1 Metastasis in a single inguinal lymph node N2 Metastasis in multiple or bilateral superficial lymph nodes N3 Metastasis in deep inguinal or pelvic lymph nodes, unilateral or bilateral M Distant metastasis MX Distant metastases cannot be assessed M0 No evidence of distant metastases M1 Distant metastases