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Dermatology: Intro to Derm
classifications of primary and secondary skin lesions
23
Medical
Professional
09/17/2011

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Cards

Term
Necrosis - secondary lesion
Definition
death of skin tissue. tissue MUST be removed.
Term
Fissure - Secondary lesion
Definition
linear erosion of epidermis and dermis, surface is split.
Term
Excoriation - secondary lesion
Definition
linear erosion, shallow hemorrhagic excavation, caused by scratching
Term
Sclerosis - secondary lesion
Definition
hardening or induration of the skin d/t dermal or SQ edema. Cellular infiltration of collagen impedes blood flow, thickens skin, hard t move.
Term
Atrophy - secondary lesion
Definition
thinning of the epidermis &/or dermis. wrinkling and translucency with loss of skin markings, are pink or red.
Term
Scar - secondary lesion
Definition
final stage of healing which involves the deeper dermis, results in a pink/white smooth, firm/shiny lesion
Term
Ulcer - secondary lesion
Definition
full thickness loss of epidermis with partial dermal loss. heals with scarring. bleeding and oozing present.
Term
Erosion - secondary lesion
Definition
partial break in epidermis, does not reach dermis. heals without scaring. is red.
Term
Lichenification - secondary lesion
Definition
thickening of the skin with exaggerated skin creases. a result of itching or chronic irritation.
Term
Crust - secondary lesion
Definition
dried exudate. can be serous, purulent, or hemorrhagic.
Term
Wheal - primary lesion
Definition
transient, pink or red welling of various shapes and sizes, which may have central pallor. inflammatory response.
Term
Telangiectasia - primary lesion
Definition
dilated superficial blood vessels. show up after chronic sun damage. indicates cancerous/pre-cancerous lesions.
Term
Plaque - primary lesion
Definition
slightly raised, "flat-topped," lesion. may develop from confluent papules.
Term
Cyst - primary lesion
Definition
Encapsulated, solid or liquid filled, raised lesion.
Term
Bulla - primary lesion
Definition
raised, large (>0.5 cm), fluid filled lesion
Term
Pustule - primary lesion
Definition
small lesions containing leukoctes, sterile or infected, yellow in color.
Term
Vesicle - primary lesion
Definition
small (<0.5 cm), fluid filled, raised, lesion
Term
Tumor - primary lesion
Definition
solid, firm lesion > 5 cm in diameter
Term
Nodule - primary lesion
Definition
larger solid lesion often deeper in dermis
Term
Papule - primary lesion
Definition
small, superficial solid lesion <0.5 cm in diameter elevated above surrounding skin
Term
Patch - primary lesion
Definition
large, flat, colored lesion > in size than macule
Term
Macule - primary lesion
Definition
well circumscribed area of color change that is non-palpable and is 0.5 - 2 cm in size
Term
Scale - secondary lesion
Definition
excess shedding of epidermal cells (peeling)
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