Dermatology Day 1 Flashcards
what do you have to do with derm patients?
get them naked!
what is a macule?
circumscribed, flat lesion <0.5cm
what is a flat discoloration >0.5cm
patch
what is actinic keratosis?
SCCA confined to the epidermis, lesions are common caused by CHRONIC PROLONGED SUN EXPOSURE
what is an elevated solid lesion <0.5 cm?
papule
what is a circumscribed, elevated, superficial solid lesion >0.5cm?
plaque/nodule
what is a circumscribed collection of leukocytes and free fluid?
pustule
what is a circumscribed collection of free fluid <0.5cm?
vesicle
what is a circumscribed collection of free fluid >0.5cm?
bullae
what are wheals?
edematous plque resulting from infiltration of the dermis with fluid (transient and lasts hours)
what is excess dead epidermal cells produced by abn keratinization and shedding?
scale
what is a collection of dried serum and keratin debris?
crust
what is hyperkeratotic?
thickening of stratum corneum
what does impetigo affect?
superficial layers of skin
what does erysipelas affect?
infection extends into cutaneous lymphatics