Derm Flashcards
Macules
Flat (nonpalpable), < 1 cm/10 mm
Patches
Flat (non-palpable), > 1 cm/10 mm
Papules
Raised (palpable), < 1 cm/10 mm
Plaques
Palpable and either elevated or depressed, > 1cm/10 mm
Nodules
Firm papules or lesions (palpable) that extend into the dermis, > 1 cm/10 mm
Vesicles
Fluid filled blisters < 1 cm/10 mm
Bullae
Fluid filled blister > 1 cm/10 mm
Pustules
Vesicles that contain pus
Scales
Heaped up accumulations of horny epithelium
Crusts/scabs
Dried serum, blood or pus
Petechiae
Pinpoint red, pink or purple macules from leaking capillaries, NON-BLANCHING, < 2 mm
Purpura
Petechiae that have coalesced/accumulated, may or may not be palpable, NON-BLANCHING, > 2 mm
Telangiectasia
Foci of small, permanently dilated blood vessels, BLANCHABLE
Erosions
Open areas of skin resulting from loss of part or all of the epidermis