dermatology Flashcards
what are cutaneous warts
infection of keratinocytes causing small rough growths
normally caused by HPV
when to be worried about warts
painful
bleeding
wart on face or genitals
change in colour
wart spreading
compromised immunity
indication for treating warts
painful wart
patient requests treatment and the wart is persisting
management for warts
salicylic acid for up to12 weeks
cryotherapy every 2 weeks until wart is gone (up to 6 treatments)
types of cutaneous warts
Common wart (Verruca vulgaris)
Flat/plane wart (verucca plana)
Plantar wart (Verruca plantaris).
Periungual wart
risk factors of developing warts
damaged skin
occupation involves handling of meat or fish
immunosuppression
what are periungual warts
warts around nails that can be painful and disturb nail growth - nail biting is a risk factor
what are plane warts (what do they look like)
round flat topped warts
commonly on back of hands
skin coloured or greyish yellow
what is shingles
reactivation of VZV causing acute unilateral painful blistering rash
which dermatomes is most commonly affected in shingles
t1 -l2
prodromal period of shingles
burning pain over the affect dermatome for 2-3days
severe pain affecting sleep
headache
fever
lethargy
shingles rash
erythematous, macular rash which become vesicular
well demarcated by the dermatome which does not cross the midline
when to admit patient to hospital in shingles
complications e.g. meningitis
hutchinson’s sign
visual symptoms
unexplained red eye
immunocompromised patient
what is hutchinson’s sign
rash on tip, side or root of the nose
involvement of the nasociliary nerve of the opthalamic nerve
management for shingles
oral antiviral within 72hrs of rash onset
NSAIDs for pain