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36 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Primary Lesion - Macule
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circumscribed flat alteration in the color of the skin, <1cm, not palpable
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solar lentigo, mole
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Primary Lesion - Patch
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circumscribed flat alteration in the color of the skin, >1cm, not palpable
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large macule, melasma
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Primary Lesion - Papule
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circumscribed palpable elevation of the skin <1cm
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no fluid, wart
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Primary lesion - Plaque
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circumscribed palpable elevation, >1cm
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psoriasis
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Primary Lesion - Nodule
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circumscribed plalpable mass, 1-2cm, may not be elevated, may be in dermis or subcutis, palpable even if subcutaneous
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Primary Lesion - Tumor
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circumscribed palpable mass, >2cm in diameter, not necessarily elevated, may be in dermis or subcutis
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Primary lesion - Vesicle
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sharply circumscribed lesion <1cm, contains transparent free fluid
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Primary lesion - Bullae
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sharply circumscribed lesion >1cm, contains transparent free fluid
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Primary lesion - Pustule
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circumscribed, <1cm, contains free pus
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Primary lesion - Lakes of Pus
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circumscribed, >1cm, contains free pus
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Primary lesion - Wheal
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evanescent, circumscribed, elevated edematous lesion which appears and disappears in <24 hours, no permanent changes
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Primary lesion - Telangiectasia
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Dilated superficial capillaries
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Secondary lesion - Crust
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Dried exudate, may have been serous, purulent, or hemorrhagic
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Secondary lesion - Excoriation
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Hemorrhagic excavation of the skin resulting from scratching, may be shallow or deep, linear or punctate
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Secondary lesion - Lichenification
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thickening of the skin with exaggeration of the skin creases, describes lesions that have been scratched and rubbed, leaving flat-topped papules
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Secondary lesion - Scar
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Final stage of healing of a destructive process involving the deeper dermis. White, smooth, firm, and shiny. Can be hypertrophic or atrophic
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Secondary lesion - Escar
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piece of dead tissue that is cast off from the surface of the skin
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Secondary lesion - Scale
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a flat plate or flake of stratum corneum
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Secondary lesion - Exfoliation
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Splitting off of the stratum corneum in fine scales or sheets
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Secondary lesion - Fissure
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Linear split or gap in the skin surface
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Secondary lesion - Keratoderma
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Horny thickening of the keratin layer of the skin
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Secondary lesion - Poikiloderma
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Appearance of hypo/hyperpigmentation, atrophy, and telangiectasias
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Secondary lesion - Vegetative
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growth of pathological tissue consisting of close-set papillomatous masses
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Secondary lesion - Erosion
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Partial break in the epidermis, heals without scarring, commonly follows a blister
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Secondary lesion - Ulcer
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Full thickness loss of epidermis, heals with scarring
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Secondary lesion - Atrophy
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Thinning and ransparency of the skin with loss of skin markings
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Secondary lesion - Sclerosis
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Circumscribed or diffuse hardening of the skin
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Special lesion - Comedo
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keratin, sebum, microorganisms, and epithelial cell debris within a dilated follicular opening. Open vs. Closed
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Blackheads are open, Whiteheads are closed
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Special lesion - Burrow
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A tunnel made in the skin by a burrowing parasite or larva
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Special lesion - Sinus
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An elongated channel opening to a surface at one end and terminating in a blind sac
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Special lesion - Fistula
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An elongated channel which communicates between two surfaces
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Special lesion - Cyst
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A sac containing fluid or semisolid material, has an epidermal lining
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Special lesion - Abcess
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Localized collection of pus larger than a pustule, deep
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Special lesion - Petechia/Ecchymosis
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non-bleaching macules <3mm (petechia) or macules/patches >3mm (ecchymosis) due to extravasated blood in the skin
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Special lesion - Hematoma
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An extravasation of blood of such a size as to cause a visible swelling
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When describing a lesion, what 4 (minimum) things should be noted
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Size, Primary lesion, Color, and Location
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