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WOCN program

plaque discrete, solid, elevated body usually broader than it is thick, > 0.5cm in diameter
papule discreet, elevated, solid usually <0.5cm
macule flat skin or mucus membrane different color from surrounding area, <0.5cm May have fine, non palpable scale
patch flat skin or mucus membrane different color from surrounding skin, >0.5cm May have fine, non palpable scale
nodule dermal or subcutaneous firm, well defined lesion usually >0.5cm in diameter
cyst a closed cavity or sac containing fluid or semisolid material, may have epithelial, endothelial, or membranous lining
crust hardened layer resulting from dried serum, blood or purulent exudate on the skin surface. Color depends on what the material is
scale excess stratum corner accumulated in flakes or plates. usually has a white or gray color
abcess localized accumulation of pus in the dermis or subcutaneous tissue, often red, warm and tender
bulla fluid filled blister >0.5cm in diameter. fluid can be clear, serous, hemorrhagic, or pus
pustule circumscribed elevation that contains pus, usually <0.5 cm in diameter
vesicle fluid filled cavity or elevation <0.5cm in diameter, fluid can be clear, serous, hemorrhagic, or pus
erythroderma generalized blanch able redness of the skin that may be associate with desquamation
purpuric palpable purpura raised and palpable, nonblanchable, red or violaceous discoloration of skin or mucous membrane due to vascular inflammation in the skin and extravasation of RBC's
atrophy thinning of tissue defined by it's location, such as epidermal atrophy, dermal atrophy, or subcutaneous atrophy
ulcer circumscribed loss of the epidermis and at least upper dermis, also classified by depth, border, shape, edge and tissue at the base
erosion localized loss of the epidermal or mucosal epithelium
gangrene necrotic usually black tissue due to obstruction, diminution, or loss of blood supply, may be wet or dry
eschar an adherent, thick, dry black crust
proctectomy removal of rectum
Created by: Beth Perry
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