SKIN Flashcards
macule
primary lesion
flat, circumscribed
<1cm
papule
primary lesion
elevated lesion
< 1cm
patch
primary lesion
flat, circumscribed
>1cm
atopic dermatitis is a.k.a.
eczema
plaque
primary lesion
circumscribed, elevated
>1cm
nodule
primary lesion
circumscribed, elevated
usually solid
0.5-2cm
cyst
primary lesion
elevated, circumscribed
encapsulated, filled with liquid or semisolid material
vesicle
primary lesion
sharply circumscribed, elevated
fluid-containing lesion
<0.5cm
bulla
primary lesion
sharply circumscribed, elevated
fluid-containing lesion
<1.0cm
wheal
primary lesion
solid elevation
local, superficial, transient edema
blanches with pressure
e.g. insect bite
comedones
primary lesion
plugged secretions of horny material
can be open (black heads)
or closed (white heads)
burrows
primary lesion
linear lesion produced by tunneling
telangiectasia
primary lesion
fine irregular red lines produced by capillary dilation
scale
secondary lesion compact descquamation (come off in flakes) of stratum corneum
fissure
secondary lesion dry or moist linear often painful cleavage from epidermis to dermis