There are different subtypes of HPV. The most common cause of genital warts and other HPV have 6,11. HPV is easy to survive and reproduce in the human body warm and humid conditions, so the external genitalia and anus are most prone to infection site. Dissemination of the following ways:
1. sexual contact
The main route of transmission. So the disease in a sexual relationship disorder crowd prone.
2. indirect contact
Some patients may be due to less contact with the patient used items spread of disease, such as underwear, towels, bath, toilet circle.
3. MTCT
Delivery process occurs through the birth canal and the baby's throat papillomatosis spread and so on.
The incubation period is 1-8 months, an average of three months, mainly in the sexually active population.
1. Typical warts
Genital and perianal predilection sites, more common in male foreskin, frenulum, Coronal, glans, urethra, penis, anus, rectum and the scrotum, more common in women in the size of the labia, after joint, vestibule, clitoris, cervix and perianal. Even outside the visible parts of the genital and perianal, such as the armpits, the navel, mouth, breast and toes and so on. Vaginitis female and male prepuce is a contributing factor to the occurrence of genital warts.
Early damage to small reddish papules, then gradually increase increase, single or clustered distribution, moist and soft, uneven surface, was papillary, cauliflower or chicken coronavirus projections. Red or dirty gray. Roots often pedicle, and prone to erosion exudate, easy to touch the bleeding. Purulent lesions often crack between smoldering, causing fetid, and may cause secondary infection due to scratching. The disease often have no symptoms, some patients may appear foreign body sensation, pain, itching, or painful sexual intercourse. Genital warts can occur in rectal pain, bloody diarrhea, tenesmus.
2.HPV subclinical
Refers to HPV infection in the clinic is not visually recognizable, but the acetic acid white test (with 5% acetic acid solution was found wet smear or partial white), pathological or nucleic acid detection techniques to discover evidence of HPV infection.
3. Relationship with Tumor
A large number of epidemiological data indicate, HPV infection (primarily high-risk HPV, such as HPV-16,18-type) and the incidence of genital cancer are closely related, such as cervical cancer, penile cancer.
General prognosis is good after treatment. But no matter what method of treatment, they are likely to recur.
