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33 Cards in this Set
- Front
- Back
annular
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lesions with a circular shape
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confluent
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lesions that run together
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discrete
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lesions that are separate and discrete
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grouped
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lesions that appear in cluster
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gyrate
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lesions that are coiled and twisted
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target
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lesions with concentric circles of color
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linear
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lesions that appear as a line
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polycyclic
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lesions that are circular but united
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zosteriform
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lesions aranged in a linear manner along a nerve route
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macule and patch
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flat, non palpable changes in skin color
macules are smaller than 1cm and have circumscribed borders patches are larger than 1 cm and have irregular border |
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examples of macules and patches
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macule: freckles, measles, and petechiae
patches: monoglian spots, port wine stains, vitiligo, and chloasma |
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papule and plaque
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elevated, solid palpable masses with a circumscribed border
papules are smaller than 0.5 cm plaque are a group of papules that form lesions larger than 0.5 cm |
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examples of papule & plaque
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papules: elevated moles. warts and lichen planus
plaques: psoriasis, actinic kerantosis, and also lichen planus |
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nodules and tumor
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elevated, solid, hard or soft masses extending deeper into the dermis than a papule.
nodules have circumscribed borderland are 0.5 - 2 cm tumors may have irregular borders and are larger than 2 cm |
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examples of nodule & tumors
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nodules: small lipoma, squamous cell carcinoma
tumor: large lipoma, carcinoma and hemangioma |
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vesicle and Bulla
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elevated fluid filled round or oval shaped palpable masses with thin, translucent walls and circumscribed borders
vesicles are smaller than 0.5 cm and bullae are larger than 0.5 cm |
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examples of vesicles and Bulla
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vesicles: herpes simplex/zoster, early chickenpox, poision ivy, and small burn blisters
bulla: contact dermatitis, friction blisters and large burn blisters |
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wheal
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elevated often reddish area with an irregular border caused by diffuse fluid in tissues rather than free fluid in cavity as in vesicles.
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examples of wheals
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insect bites and hives
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pustule
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elevated, pus filled vesicle or bulla with a circumscribed border
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examples of pustule
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acne, impetigo, and carbuncles(large boils)
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cyst
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elevated encapsulated fluid filled or semisolid mass originating in the subcutaneous tissue or dermis
usually larger than 1cm |
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examples of cyst
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sebaceous cyst and epidermoid
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atrophy
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translucent dry paperlike, sometimes wrinkled skin surface resulting from thinning or wasting of the skin due to loss of collagen and elastin
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examples of atrophy
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straie or aged skin
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erosion
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wearing away of the suferifical epidermis causing a moist, shallow depression.
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examples of erosion
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scratch marks and ruptured vesicles
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licenification
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rough, thickening hardened area of epidermis resulting from chronic irritation
example is contact dermatitis |
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scales
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shedding, flakes of greasy, keratinzed skin tissue.
color may be white, gray or silver examples: dry skin, dandruff |
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crust
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dry blood, drum, or pus left on the skin surface when vesicles or pustules burst.
can be red-brown, orange, yellow examples: eczema, impetigo, herpes, and scabs |
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ulcers
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deep, irregularly shaped area of skin loss extending into the dermis or subcutaneous tissue
examples: decubitus ulcers, statis ulcers |
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fissure
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linear crack with sharp edges extending into the dermis
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scar
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flat, irregular area of connective tissue left after a lesion or wound has healed
examples: healed, surgical wound, healed acne |