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HPV

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by

Kelly Frank

on 3 October 2015

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Transcript of HPV

Diagnosis
-The appearance of genital warts is one way HPV infection is diagnosed. A doctor may be able to diagnose HPV virus after a visual inspection of any warts or lesions.

-The HPV types associated with warts, however, are not generally the types associated with cancer.

-An abnormal pap smear may be the first sign of potentially having cancer caused from HPV.
Although there is no treatment for the virus itself, there are treatments for the problems that HPV can cause. There are a couple main treatment options:

Cryotherapy:
This involves freezing the abnormal cells with liquid nitrogen.
Conization:
This procedure removes abnormal tissue that is high in the cervical canal
Loop Electrosurgical Excision Procedure:
The abnormal cells are removed with an electrical current.
Laser treatment:
which uses a beam of light to destroy abnormal tissue.

Treatment
Prognosis
Something to know!
If HPV remains untreated it could result with low-risk or high-risk infections.

•Low-risk types of HPV can cause genital warts, but do not cause cervical cancer. Genital warts can grow inside and around the outside of the vagina, on the vulva, cervix, groin and in or around the anus. In men, genital warts can grow on the penis, scrotum, thigh, groin, or in or around the anus.
•High-risk types can cause cell changes that can lead to cervical cancer if those cell changes are left untreated.

HPV if untreated can also cause other cancers including cancer of the vulva, vagina, penis, or anus. It can also cause a cancer in the back of the throat, including the base of the tongue and tonsils called Recurrent Respiratory Papillomatosis (RRP),

HPV is a virus that includes more than 100 different forms of the virus, over 30 of which are sexually transmitted.

The types of HPV that infect the genital area are known as genital HPV. Most sexually active people will have HPV at some point in their lives.

Genital HPV types are either low-risk or high-risk types. This does not have to do with the risk of getting the infection. It is about the risk of getting cervical or penile cancer.
What is HPV?
Human Papillomavirus
-Human papillomavirus is one of the most common sexually transmitted infections in the United States.

-An estimated 20 million Americans are currently infected, and an estimated 6.2 million new HPV infections occur annually.

-Oral infections affect 7% of the american population.

-HPV is so common that most people get it soon after they start having sex.

-HPV can affect both males and females.

-75% of new infections occur among persons 15–24 years of age.

-People with compromised immune systems such as those with HIV are susceptible.

-Humans are the only natural reservoir of HPV.
Epidemiology
-The human papillomavirus causes skin and mucous membrane infections, therefore being an infection and not a disease.

-Infections occur at the basal epithelium, which lines the cavities and surfaces of structures throughout the body.

-Epithelial cells are responsible for absorption, secretion, and protection; the virus attacks these cells.

-HPV types are grouped into low and high risk based on their association with cancer and genital warts.

-More than 90% of genital warts cases are associated with the low-risk HPV types 6 and 11.

-Two prevalent types of cervical cancer are squamous cell carcinoma and adenocarcinoma.Both are commonly caused by high-risk HPV types 16 and 18.

-Types 31 and 45 have a high tendency to develop into cancer as well.
Pathogenesis
Symptoms
Created By: Kelly, Miles, Fabiola & Kahlan
It is a sexually transmitted infection that can cause health problems such as genital warts and cancers. It is the most common STI.
Most people do not know they are infected. In fact it is also common that nearly all men and women who are sexually active get it at some point throughout their lives.

By the way.. your children can have it.
Pay attention to learn more.

-The HPV virus lives in mucous membranes, most commonly found in the genital area or on the skin. If genital warts show up, it's an indication of HPV infection.

- In many cases, people with HPV do not even reach the point of developing symptoms.

-90% of the time, the body’s immune system clears HPV within two years of having it.

-There aren't any HPV symptoms for high-risk types of HPV in women or men. Most people feel fine even when they have cell changes caused by HPV.
Symptoms (Cont.)
-Genital warts can take on various different sizes, shapes and colors.

-The warts can be raised, flat, pink, or flesh-colored.

-There may be only a single wart and other times multiple warts can appear.

-Genital warts can be on the anus, cervix, scrotum, groin, thigh, or penis.
-Vinegar (acetic acid) solution test:
A doctor may apply a vinegar solution that turns HPV-infected genital areas white. This may help in identifying difficult-to-see flat lesions.

-
DNA test:
This test can recognize the DNA of the high-risk varieties of HPV that have been linked to genital cancers. The test is conducted on a sample of cells taken from your cervix. It's recommended for women 30 and older in addition to the Pap test.
Other Diagnosis Methods
Pathogenesis Cont.

Prevention
-Since HPV can cause cancer of the cervix, penis, mouth, or throat, it is important to try and prevent the infection.

-Two vaccines (Gardasil and Cervarix) protect against these cancers. One of them also protects against genital warts, vaginal cancer, and anal cancer.

The vaccines targets four strains of HP: HPV-6, 11, 16, and 18. HPV-16 and HPV-18 account for about 70% of all cervical cancers. HPV-6 and 11 cause about 90% of genital warts.

-The CDC recommends young women ages 11 to 26 and young men ages 11 to 21 get vaccinated for HPV.

-A Pap smear can show most cervical cancers caused by HPV early on.
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