Intro to Dermatology- Belazarian Flashcards
Maculopapular should be replaced with what word?
Morbilliform
Describe the typical Lichen Planus
Pink/purple plaques with overlying scale.
What are the holes on a cyst called?
Punctums
What are wheals?
Evanescent swellings of the skin. Can be pink or white with resulting edema.
What is a Comedone?
An enlarged hair follicle primarily containing keratin and lipids.
Blackheads are open
Whiteheads are closed
What is a Bulla?
A fluid filled cavity or elevation
>1cm
Thus a vesicle is less than 1cm
What is a furuncle?
Follicle centered nodule caused by accumulation of pus caused by infection.
Usually painful.
What is a carbuncle?
Several furuncles combined together
What is Purpura?
Nonblanching
Due to leaking of red blood from cutaneous vessels into skin.
Types:
- Petechiae (small, pinpoint)
- Ecchymoses (larger, bruise like)
What is a Telangiectasia?
A persistent dilation of small superficial cutaneous vessles
What is an ulcer?
Circumscribed loss of epidermis and at least the upper dermis.
-Usually scars.
What is Lichenification?
Thickening of the skin with linear markings due to repeated rubbing and/or scratching.
Name some geometric arrangements of skin manifestations
Annular (ring shaped with edge different from center)
Nummular (coin shaped, uniform)
Polycyclic Linear (often implies external contact; Koebner)
Reticular
Serpiginous
Targetoid (3 distinct color zones)
What is intertriginous?
A skin manifestation occurring in the skin folds, where two skin surfaces are in contact.
