These are lesions that grow as cauliflower-like swellings on the skin or mucosal surfaces of the body.
Human Papillomavirus (HPV) is a common group of skin viruses that are most frequently transmitted through close skin-to-skin and mucosal contact (most commonly via sexual contact).
Virus particles are released from the surface of papillomatous (cauliflower-like) lesions. Small skin abrasions caused by minor traumas allow the virus to enter the skin or mucosal areas. In this way, it can spread to other parts of the body (autoinfection) or be transmitted to others through skin-to-mucosa contact.
There are hundreds of types. Some do not cause symptoms, while others may increase the risk of warts or cancer.