Penile cancer is the growth of malignant cells on the external skin and in the tissues of the penis. Cancer of the penis is a rare disease. It occurs most often in men who were not circumcised as infants.

The cause of penile cancer is unknown. There does, however, appear to be a connection between development of the disease and lack of personal hygiene. Failing to regularly and thoroughly cleanse the part of the penis covered by the foreskin increases the risk of developing the disease.

The most common symptom of penile cancer is a tender spot, an open sore, or a wart-like lump that originates at the tip of the penis, spreads slowly across the skin, and invades deeper layers of tissue. Pain and bleeding may develop as the cancer continues to grow. A urologist should be consulted about any growths on the penis or...