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19 Cards in this Set
- Front
- Back
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Macule
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flat area of color change (mostly reddened); no elevation or depression
examples: flat moles, freckles |
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Papule
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solid elevation less than 1 cm in diameter; may run together and form plaques
examples: warts, lichen planus, elevated mole |
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Nodule
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solid elevation 1-2 cm in diameter that extends deeper into dermis than papule
examples: lipoma, erythema nodosum, enlarged lymph nodes |
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Pustule
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elevated area filled with purulent fluid
examples: pimple, impetigo, abscess |
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Tumor
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solid mass; uncontrolled, progressive growth of cells
examples: hemangioma, newplasm, lipoma |
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Plaque
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flat, elevated surface equal or greater than 1 cm
examples: psoriasis, seborrheic keratosis |
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Wheal
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temporary localized elevation of skin resulting in transient edema in dermis
examples: insect bite, allergic reaction |
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Vesicle
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small blister less than 1 cm in diameter filled with serous fluid in epidermis
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Bulla
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large blister greater than 1 cm in diameter
example: blister |
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Scales
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flakes of cornified skin layer
example: dry skin |
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Crust
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dried exudate on skin
example: scab |
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Fissure
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cracks in skin
examples: athlete's foot, openings in corners of mouth |
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Erosion
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loss of epidermis; does not extend into dermis
example: blisters |
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Scar
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excess collagen production following surgery or trauma
example: healed surgical wound |
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Atrophy
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loss of some portion of skin and appears translucent
example: aged skin (not a lesion, but a physiologic response in aging process) |
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Ulcer
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area of destruction of entire epidermis
example: missing tissue on heel, decubitus bedsore (pressure sore) |
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Pressure Ulcer
(Decubitis Ulcer) |
Result of pressure or force
occludes blood flow, causing ischemia and tissue deather develops over bony prominence |
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Keloids
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sharply elevated, irregularly shaped scars that progressively enlarge; due to excessive collagen in corneum during connective tissue repair; result of tissue repair or trauma; familial tendency for formation
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Cicatrix
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normal scar left after wound healing
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