Human papillomavirus (HPV) is a small double-stranded DNA virus which has been classified into over types based on genome sequencing. Each type is associated with infection at a particular anatomic site and clinical morphology. HPV infections can be sexually transmitted or non-sexually acquired; this review focuses on the latter. autoinoculation might play a major role in anogenital HPV transmission, in addition to direct sexual inter – course, especially for anal infection in women. Human papillomavirus type 16 was not common. Sexual contact and autoinoculation appeared to play independent roles in the transmission of α-genus HPV t Although nearly 20% of sexually active male university students had evidence of oral HPV infection within 12 months, most infections were hpv.iubescstudentia.ro by: 5/31/ · Autoinoculation of virus into opposed lesions is common. Spread of HPV infection is usually through skin-associated virus and not blood-borne infection.
Human papilloma virus infection in the.
Each type is associated with infection Hpv autoinoculation a particular anatomic site and clinical morphology. In autoinoculztion, genital warts appear mostly autoinoculxtion the vulva but can also occur near the anus, on the cervix or in the vagina. Epidemiology and transmission Hpv autoinoculation of genital Hpv autoinoculation infection. J Clin Invest. Genital Hpv autoinoculation infection is the most common sexually transmitted infection in the United States and worldwide. Human papillomavirus vaccination for adults: Updated recommendations of the Advisory Committee on Immunization Practices.
Autoinoculatioj a decade following the U. All rights reserved. Emerging Infectious Diseases. Bibliography Kilkenny M, Marks R. Warts are slower to resolve in adults and may take several years. Skip directly to site content Skip directly to page options Skip directly to A-Z link. DermNet provides Google Translate, a free machine translation service. Warts may be solitary or multiple, and when multiple are often clustered or in lines due to autoinoculation.
7/1/ · Sixty percent of type-specific positive samples were concurrently detected in the genitals (with the same variant(s) detected in all but one of 28 pairs), suggesting that most HPVs in the fingertips represent either DNA deposition from the genitals, autoinoculation between the genitals and the fingertips, or an additional site of infection from a single source (e.g., a recent sex partner; of note, the two most common genital HPV Cited by: In conclusion, our results suggest that oral HPV infection is unlikely to be acquired through autoinoculation. Oral HPV infection is rather an independent event from cervical infection,.
Non-sexually acquired human papillomavirus infection | DermNet NZ
But, because of their location, they can be painful. Song, S. Human papillomavirus HPV questions and answers. Hpv autoinoculation Probl Dermatol. Furthermore, the contribution of autoinoculation for HPV infection at different anogenital autoiniculation of different sexes remains to be deeply explored.
None of the incident oral HPV infections and Human papillomavirus type 16 was not common. Sexual contact and autoinoculation appeared to play independent roles in the transmission of α-genus HPV to the oral cavity of young men.
Abstract Background: Little is known about the rates and determinants of oral human papillomavirus HPV infection, an infection that is etiologically linked with oropharyngeal Gel Papillors.
Treatment should include a rim of normal-looking skin where the virus has probably already spread. Horseshoe-shaped and ring-shaped recurrences around treatment sites are common. Cutaneous warts due to non-sexually acquired HPV resolve spontaneously in the majority of children within two years. Warts are slower to resolve in adults and may take several years. Recurrence after treatment in adjacent skin is common due to subclinical or latent infection. However, once immunity has developed to a specific HPV type, reinfection with that type is unlikely. See smartphone apps to check your skin.
Books about skin diseases Books about the skin Dermatology Made Easy book. DermNet NZ does not provide an online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice. Non-sexually acquired human papillomavirus infection — codes and concepts open. Cutaneous viral warts, HPV infection of the skin. Viral infection. B07, B Y, 1E8Z, 1E81, 1E Bibliography Kilkenny M, Marks R. The descriptive epidemiology of warts in the community. Australas J Dermatol. Possible non-sexual modes of transmission of human papilloma virus. J Obstet Gynaecol Res.
In a similar fashion, an increased risk for sequential acquisition of a genital HPV infection was also observed in both sexes with a previous concordant anal HPV infection compared with those without previous anal infection, although no significant difference was found for any HPV and HR-HPV types in men on the basis of individual calculation.
However, for type-specific HPV, men with a previous anal infection had a higher risk for acquiring a genital infection. Furthermore, if we calculated HRs on the basis of infection instead of person, we found that men with previous anal HPV infection had higher risk for sequentially acquiring genital infection for any HPV types than those without previous anal infection HR 8. For genital-to-anal and anal-to-genital infections, women had higher risk than men, which might be caused by differences between female mucosal epithelium and male keratinized epithelium and the sex differences in the anatomy of genitalia.
In both sexes, if no previous HPV infection was present in the other site, the incidence of HPV infection was higher at the genital site than at the anal site.
It is easy to interpret this phenomenon as reflecting the finding that genital intercourse is always the major sexual behavior in women and heterosexual men 15 — However, if previous HPV infection existed at the other site, the incidence of concordant HPV infection increased dramatically in the anus and became even higher than that at the genital site, although a significant difference was not reached. These data implied that, for anal HPV infection, genital-to-anal transmission might play a greater role than direct intercourse for women and also make a relatively major contribution for men.
This conclusion is concordant with a previous study in which a history of anal sex was not significantly associated with sequential acquisition of an incident anal infection after a concordant HPV infection of the cervix 9. In the same cohort in Liuzhou, we observed a longer persistence of any HPV type in both genital and anal sites in women compared with men 12 , This observation is concordant with the data in the analysis we describe in this article, showing that the HRs of incident infection by any type of HPV seems higher in women who were positive for the same HPV type at the other site versus women who were negative compared with men.
In addition, HR-HPV infection at the genital site was more difficult to clear than the anal infection in both sexes 12 , which could partially explain the relatively high HRs in genital-to-anal infection compared with anal-to-genital infection in men and women.
Similar phenomena were observed in the only 2 previous studies that focused on sequential HPV acquisition between anal and genital sites 9 , Goodman et al. Given that These infections might be acquired by other methods, such as autoinoculation and partner-assisted inoculation including use of a sex toy or digital sex.
This suggestion was reported in previous studies, which showed that digital sex performed by self or sexual partners can cause transmission events between the genital site and anal site in both sexes 20 , A nonsexual habit might also result in autoinoculation. Simpson et al. Results showed that front-to-back wiping after urination or defecation were both related to an increased prevalence of anal HR-HPV, abnormal anal cytology, and histologically proven neoplasia. More studies should be conducted to clarify the association between types of nonsexual behaviors and anal—genital HPV infection.
The strengths of our study are the large sample size and the use of the same methods to collect and test anogenital samples from males and females, which make it possible to directly compare sex differences in sequential infection among different sites.
Despite these strengths, there are still limitations. Information regarding anal sex among participants was not collected, which made it impossible to analyze the relationship between sexual behavior at anal site and anal HPV infection. As is the case for other studies focused on sequential analysis of HPV infection at different sites 9 , 10 , there is no way to know the previous HPV status of the transmitted site before baseline visit. Therefore, it is possible that the sequential HPV infection was a latent infection rather than a transmission event from the transmission site.
In conclusion, men and women with previous HPV infection at the genital or anal site had a higher risk for sequentially acquiring a concordant HPV infection at the other site.
Therefore, there is no need to focus on anal sexual intercourse and its associated stigma when discussing anal Gel Papillor and its prevention. Table of Contents — Volume 26, Number 10—October Please use the form below to submit correspondence to the authors or contact them at the following address: Highlight and copy the desired format. Section Navigation. Facebook Twitter LinkedIn Syndicate. Figure 1 Figure 2. Table 1 Table 2. Article Metrics. Wei, Y. Su, X. Yu, Y. Li, Q. Song, S. Huang, J. Zhang, T. Wu, N. Cui, K. Yin, M. Abstract Little is known about the risk for acquiring a concordant human papillomavirus HPV infection in a genital or anal site after an anal or genital HPV infection.
Study Population During May —July , we conducted an observational cohort study to evaluate the natural history of genital and anal HPV infections among the general population in Liuzhou, China Genital and Anal HPV DNA Samples At the enrollment visit, each participant was individually interviewed by a trained interviewer by using a questionnaire to collect baseline information on characteristics and hygienic and sexual behaviors. Statistical Analysis Figure 1 Figure 1. Characteristics of Cohorts Among 2, men and 2, women enrolled in the observational cohort, 1, Figure 2 Figure 2.
Rates and determinants of oral human papillomavirus infection in young men
Cite This Article. Little is known about the risk for acquiring a concordant human papillomavirus HPV infection in a genital or anal site after an anal or genital HPV infection. We collected 3 sets of anogenital specimens at 6-month intervals from 2, men and 2, women in Liuzhou, China, and tested these specimens for HPV. The risk for sequential anal HPV infection Hpv autoinoculation participants with a previous genital HPV infection was higher than for participants without an infection hazard ratio [HR] 4. Our study indicates that autoinoculation might play a major role in anogenital HPV transmission, in addition to direct sexual intercourse, especially for Hpv autoinoculation infection in women.
Oncogenic human papillomavirus HPV infection can cause Gel Papillors at the anogenital site 1 — 3. These facts imply that other modes of transmission, independent of penile—anal penetration, are possible Hpv autoinoculation acquiring anal Hpv autoinoculation infections. Recently, Lin et al. Two studies have assessed the risk for sequential HPV infection with a concordant genotype of an anatomic site, followed by infection at another site, and showed that Hpv autoinoculation might be a way to transmit HPV infection. One study focused on women in Hawaii and observed that the hazard ratios HRs for cervical-to-anal HPV infection was However, both studies were conducted in relatively sexually active persons e. Whether the autoinoculation risk between genital and anal sites is similarly high in persons with Hpv autoinoculation conservative sexual attitudes remains unknown. Furthermore, the contribution of autoinoculation for HPV infection at different anogenital sites of different sexes remains to be deeply explored. The puropose of this study was to assess the risk for sequential type-specific and grouped HPV infection of genital and anal sites.
Non-sexually acquired human papillomavirus infection
DermNet provides Google Translate, a free machine translation service. Note that this may not autoinoculstion an exact translation in all languages. Revised September Copy edited by Gus Mitchell. Human papillomavirus HPV Hpv autoinoculation a small double-stranded DNA virus which has been classified into over Hv based on genome sequencing. Each type is associated with Hpv autoinoculation at a particular anatomic site and clinical morphology.
HPV infections can be sexually transmitted or non-sexually acquired; this review focuses on the latter.