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Warts
Derm
Question | Answer |
---|---|
pathogenesis of warts | human papilloma virus |
how do you know it is a wart (varuccae) | warts obscure normal skin lines, frequently occur in sites of skin trauma, warts unlike callouses, demonstrate necrotic capillaries (patients think these are the seeds) |
the common wart | verruca vulgaris |
prevalence is 5% in children, typical patient aged 5-20 years, prefers hands, verrucous surface, thrombosed capillaries, loss of dermatoglyphics | verruca vulgaris |
the flat wart | verruca plana |
typical patient aged 5-20 years, prefers face/dorsal hands/wrists/knees, commonly spread by shaving, flat topped surface, pink to brown, usually multiple, frequently in linear formation | verruca plana |
prefers pressure points on the feet, verrucous surface, thrombosed capillaries, often multiple, coalescent (mosaic warts) | verruca plantaris |
the genital wart | condyloma acuminata |
low risk agents for condyloma acuminata | HPV 6 or 11 |
high risk agents for condyloma acuminata | HPV 16 or 18 |
condyloma acuminata is the most common __ with 1 million new cases per year | STD |
areas of distribution for condyloma acuminata | cervix, vulvovaginal skin, anus, penis, perianal skin |
appearance of condyloma acuminata | lobulated surface, cauliflower like, usually gray or pink |
appearacne of high risk condyloma acuminata | hyperpigmented |
prevention of condyloma acuminata | Gardasil |
what do most wart treatments actually do | kill infected tissue, but not the HPV |
treat warts with cryotherapy until | white halo forms and lingers for 10 seconds |
can repeart cryotherapy in __ weeks | 2-4 |
how many freeze-thaw cycles can be done | 2 |
physical destruction of warts | laser, cautery, duct tape occlusion, excision |
chemical destruction of warts | cantharadrin (beetle juice), podophyllin, retinoids, salacylic acid, 5-FU |
immunomodulation of warts | imiquimod (Aldara), cimetidine, squaric acid |
warts may occur in greater number and last longer in __ | immunosuppressed persons |
what to suspect when condyloma acuminate are seen in children | sexual child abuse |
genital warts __ after treatment | frequently recur |
cutaneous HPV infections will likely __ | spontaneously resolve |