1.         Warts are benign tumors of the skin, with virus-induced proliferation of keratinized and non-keratinized squamous epithelium – i.e. both skin and mucous membranes.

2.         Human papillomaviruses and the poxvirus molluscum contagiosum are the viruses responsible for genital warts.

3.            Clinical Features:

a.            Common warts: most common on hands and feet, they also affect the genitalia and anus, where they may be large and are known as condylomata acuminata.

b.            Condylomata acuminata:

i.          a sexually-transmitted disease, in which the warts are occasionally large.

ii.          rarely, and only in the immunocompromised, they become malignant, with change to invasive squamous epitheliomata.

c.            Laryngeal papilloma: the juvenile form is acquired during birth from maternal condylomata acuminata, there is a tendency to recur after treatment.

4.         Human warts and Papillomaviruses