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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 |
Created by:
Abarnard
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