Dean Kelly Flashcards
circumscribed, flat discoloration
macule
elevated solid; up to 0.5 cm; color varies; may become confluent and form plaques
papule
elevated, solid, superficial lesion; more than 0.5 cm
plaque
circumscribed, elevated, solid lesion; more than 0.5 cm; large = tumor
nodule
circumscribed collection of leukocytes and free fluid
pustule
circumscribed; free fluid; up to 0.5 cm
vesicle
circumscribed; free fluid; more than 0.5 cm
bulla
firm, edematous plaque; infiltration of dermis with fluid; transient
wheal (hive)
oozing from vesicles, pustules, or bullae that dry up; epidermis removed; scab like
crust
excess horny material on the surface of the skin
scale
linear break in the skin
fissure
wide, shallow, superficial defects; limited to epidermis
erosion
deeper than erosion
ulcer
redness caused by vessel changes in dermis; blanches
erythema
closed sac distinctly separated from adjacent tissue
cyst