flat, nonpalpable change in skin color; different sizes, shapes, colors
macule
round, transient elevation of the skin caused by dermal edema and dilation
Wheal
a scab formed by dry serum, pus or blood
crust
closed sac or pouch with semisolid, solid, or liquid material
cyst
solid elevated lesion that is larger and deeper than a papule
nodule
mark left on skin d/t fibrotic changes following healing wound
scar
individual lesions are separate and distinct
discrete
bluish tinge to the skin
cyanosis
lesions merge so that discrete lesions are not visible or palpable
confluent
thickened and hardened skin from continued irritation like intense scratching
lichenification
fluid filled blister > 1 cm
bulla
lesions arranged in a single ring or circle
annular
lesions for a meshlike network
reticular
lesions arranged in concentric circles
polycyclic
elevation of skin with lymph or pus
pustule
a slit or cracklike sore that extends into dermis
fissure
lesions form a line
linear
lesions form arcs or curves
arciform
lesions are clustered together
grouped
open sore then extends to the dermis
ulcer
small blisterlike raised area, contains serous fluid, up to 1 cm
vesicle
a patch or solid, raised lesion on the skin on the skin or mucous membrane > 1 cm
plaque
traumatized abrasions of the epidermis, linear scratch marks
excoriation
dry exfoliation of dead epidermis that develops d/t inflammation
scale
papule