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Sexually transmitted HPV is divided into two categories: low-risk and high-risk. Low-risk HPVs cause warts on or around the genitals. Type 6 and 11 cause 90% of all genital warts and recurrent respiratory papillomatosis that causes benign tumors in the air passages. High-risk HPVs cause cancer and consist of about twelve identified types. [10]
DNA tests are available for diagnosis of high-risk HPV infections. Because genital warts are caused by low-risk HPV types, DNA tests cannot be used for diagnosis of genital warts or other low-risk HPV infections. [4] Some practitioners use an acetic acid solution to identify smaller warts ("subclinical lesions"), but this practice is ...
The genital-type species known to carry a high risk for malignancy are HPV-16 and 18 (cervical cancer), and those with a low risk of malignancy are HPV-6 and 11 (genital warts). [ 2 ] [ 3 ] Taxonomy
Cancers and genital dysplasia – "high-risk" HPV types are associated with cancers, notably cervical cancer, and can also cause some vulvar, vaginal, [11] penile, anal [12] and some oropharyngeal cancers. "Low-risk" types are associated with warts or other conditions. [13] [14]
The study looked at how rates of 30 types of cancer compared to rates of 18 different modifiable risk factors (meaning ones that could be changed, such as activity level or HPV vaccination status ...
HPV status was the major determinant of survival, followed by smoking history and stage. 64% were HPV+ and all were in the low and intermediate-risk groups, with all non-smoking HPV+ patients in the low-risk group. 82% of the HPV+ patients were alive at three years compared to 57% of the HPV- patients, a 58% reduction in the risk of death.
Papillomaviridae is a family of non-enveloped DNA viruses whose members are known as papillomaviruses. [1] Several hundred species of papillomaviruses, traditionally referred to as "types", [2] have been identified infecting all carefully inspected mammals, [2] but also other vertebrates such as birds, snakes, turtles and fish.
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