9 - Derm - Viral infections - HPV

Question 1

HPV gives what? how? affects % of school kids? increases which risk?

Answer 1

viral warts
infects basal keratinocytes > overgrowth of epidermis
7% of school kids
increases SCC risk

Question 2

6 type of warts HPV can give

Answer 2

common
plantar
filiform
plane
mosaic
anogenital

Question 3

common warts - appearance? where? what promotes infection?

Answer 3

elevated papules often on hands and feet - often central black dot (bleed point)

trauma eg nail biting

Question 4

plantar warts - specific name? appearance? Sx?

Answer 4

verrucae
inward growing appearance
painful

Question 5

plane warts - appearance and where?

Answer 5

small, flat topped lesions, little surface change

face/back of hands

Question 6

mosaic - appearance and an important feature?

Answer 6

confluent crops on hands and feet

treatment resistant

Question 7

anogenital warts - transmission? ass w?

Answer 7

ass w cervical and anal ca

sexual contact

Question 8

mgmt of HPV - most cases? 4 principles?

Answer 8

resolve spontaneously after months years with no scarring

topical paints, cryotherapy, curettage and cautery, formalin and podophylin

Question 9

topical paints - example? how long?

Answer 9

salicyclic acid and lactic acid - for 8-12 wks

Question 10

cryotherapy - borders? cons?

Answer 10

1mm border

painful and blistering