May Be Caused by

 Common

Squamous cell carcinoma

 Uncommon

Adenocarcinoma

Adenomatous polyp

Condyloma acuminata

Fibroepithelial polyp

Fibrosarcoma

Melanoma

Metastasis

Papillary adenoma

Penile squamous papilloma

Rhabdomyosarcoma

Sarcoma

Transitional cell carcinoma

Transitional cell papilloma