Derm Flashcards
solid, palpable lesion <5mm in diameter
Papule
solid, palpable lesion >5mm in diameter
Nodule
flat, non palpable lesion <10mm in diameter
Macule
Flat, non palpable lesion >10mm
Patch
Plateau like lesion >10mm in dimater
plaque
Circumscribed elevated lesion containing serous fluid <5mm
vesicle
Circumscribed, elevated lesion containing serious fluid >5mm
bulla
transient, elevated lesion caused by local edema
wheal
minute hemorrhagic spots that cannot be blanched
petechiae
hard rough surface formed by dried sebum, exudate, blood, or necrotic skin
crust
Heaped up piles of horny epithelium with a dry appearance
scale
vesicle or bulla containing purulent material
pustule
defect of the epidermis; heals without a scar
erosion
defect that extends into the dermis or deeper; heals with a scar
ulcer