B8.053 An Update on Human Papillomavirus Flashcards
most common HPV related cancer
head and neck cancers in men
what is the transition/transformation zone
transition between stratified squamous to a columnar, glandular epithelium
most vulnerable to HPV related disease
2 different sites of HPV infections
cutaneous > 80 types
mucosal > 40 types
sequelae of cutaneous HPV infection
common hand and foot warts
sequelae of mucosal HPV infection
high risk (16,18) -cervical cancer -anogenital cancer -oropharyngeal cancer -cancer precursors -low grade cervical disease low risk (6,11) -genital warts -laryngeal papillomas -low grade cervical disease
HPV vaccination recommendations
routine vaccination of adolescent females and males aged 11-12 with 2 doses -can be started as early as 9 if over age 15, 3 doses over 6 months "catch up" to age 26 current version in 9 valent
HPV types included in 9 valent vaccine
6, 11, 16, 18, 31, 33, 45, 52, 58
HPV 6, 11
genital warts
HPV 16, 18
66% of cervical cancer
HPV 31, 33, 45, 52, 58
15% of cervical cancer
oral HPV prevalence in vaccinated men and women
lower, 4 years after at least 1 vaccine dose
HPV vaccine efficacy
efficacy against initial HPV infection, genital wart, and precancerous/dysplastic changes
90% effectiveness against precancerous cervical disease over 10 years
recent studies show 0 HPV related cancers at all anatomic sites
who gets more oral HPV?
men
higher rates of subsequent head and neck cancer
main side effects of HPV vaccine
site reactions
syncope
HPV vaccination rates
lag behind other recommended teen vaccines (Tdap, meningococcal)