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24 Cards in this Set
- Front
- Back
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macule
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small (0.5 cm) flat discolored epidermal lesion
-pigmentation -hemorrhage |
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Patch
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A maculae > 1 cm in diameter
-pigmentation -hemorrhage |
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Papule
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solid elevation of the skin (0.5 cm)
-Skin infiltration with fluid, cells, debris |
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Pustule
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circumscribed elevated lesion filled with leukocytes
-Inflammation |
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Epidermal collarette
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circular ring of scale-crust representing remain pustule/vesicle/bulla
-remnant of primary lesions |
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Wheal
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edematous plaque
-inflammation -vascular leakage (T1H) |
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Plaque
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circumscribed elevated flat lesion <0.5 cm
-infiltrate cells or fluid |
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Vesicle
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circumscribed lesion of free fluid<0.5 cm
-vascular damage |
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Bulla
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circumscribed lesion of free fluid>0.5 cm
-vascular damage -BMZ |
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Nodule
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solid elevated lesion > 0.5 cm
-Cellular infiltration |
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Tumor
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solid elevated lesion > 1 cm involving any structure in the skin
-cellular infiltrate |
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scale
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accumulation of dead epidermal cells on the surface
-hyperkeratosis -changed epidermal kinetics -inability to slough cells |
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Follicular cast
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accumulation of keratin and follicular debris adhering to hair shaft
-follicular hyperkeratosis -inflammation |
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Crust
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accumulation of cells, serum, and or blood on the skin
-inflammation -leakage through epidermis |
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Erosion
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focal loss of epidermis not extending into dermis
-Physical damage |
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Excoriation
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an erosion caused by scratchin
-physical trauma |
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Ulcer
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break in continuint of epidermis
-Severe damage |
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Fistulous (draining) tract
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ulcer in the epidermis
-furunclosis |
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Lichenification
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area of thickened epidermis with accentuated skin markings
-Chronic irritation / inflammation |
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Comedo
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plus of keratinized sebaceous material in a hair follicle
-hyperkeratosis -Genetics |
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scar
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abnormal formation of connective tissue
area of previous damage |
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atrophy
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thinning as a result of normal structures
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Fissure
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linear break in epidermis with near verticle walls
-trauma |
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alopecia
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lack of hair where it was once present
-follicle damage / alterations |
