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
Ulcers
Result from loss of epidermis AND at least part of the dermis
Atrophy
Thinning of the skin, can appear dry and wrinkled
Scars
Areas of fibrosis that replace normal skin after injury
Urticaria
Erythematous, elevated lesions caused by localized edema
Linear configuration
Straight line
Annular configuration
Rings with central clearing
Nummular configuration
Circular or coin shaped
Targetoid configuration
Rings with central duskiness/darkness
Reticulated configuration
Lacy or network pattern
Herpetiform configuration
Grouped papules or vesicles
Zosteriform texture
Lesions clustered in a dermatomal distribution
Lichenification texture
Thickening of skin with accentuated normal skin marking
Umbilicated texture
Papule with central indentation
Serpiginous lesion texture
Linear, branched and curving elements
Verrucous texture
Irregular, pebbly or rough surface (wart like)
Induration texture
Deep thickening of the skin
