WVSOM -- Skin -- Derm Diagnosis
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| macule | circumscribed, flat discoloration that may be brown, blue, red or hypopigmented; may be whole or part of eruption
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| patch | large macule greater than 1 cm
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| papule | elevated solid lesion with no fvisible fluid up to 1 cm
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| squamous papules | papules topped with scales
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| plaques | circumscribed, elevated, superficial solid leasions greater than 1cm in diameter.
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| nodules | circumscribed, elevated, solid leasions greater than 1cm
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| vesicles | circumscribed epidermal elevation that contains free fluid up to 1 cm; may come from macule or papule
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| bulla | roudned or irregularly shaped blisters containing serious or seropurulent fluid greater than 1 cm
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| wheal | evanescent, edematous plateua like elevation of various sizes; develop quicly adn tend to be transient
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| pustules | circumscribed collection of necrotic inflammatory cells and free fluid; inflammatory areola
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| scales | dry or greasy laminated masses of keratin
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| crusts | scabs; collection of dried serum, pus or blood
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| erosion | focal loss of epidermis; does NOT penetrate below the dermoepidemral junction; heals without scarring
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| ulcer | focal loss of epidermis and dermis; heals with scarring
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| fissures | cracks; linear cleft thru the epidermis or into the dermis; usually when sin is thickened or inelastic
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| atrophy | depression in teh skin resulting form thinning of the epidermis or dermis
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| scar | new connective tissue tha replaces lost substance in teh dermis or deeper parts as the result of injury or disease
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| excoriations | caused by scratching
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| comedones | plug of seaceous and keratinous material in teh openign of a hair follicle
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| milia | small, superficial keratin cyst with no visible opening (seen around eyes)
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| cysts | small, circumscribed lesions with a wall and lumen containing eitehr fluid or solid matter
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| burrow | narrow, elevated tortuous channel; parasitic
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| lichenification | thickened epidermis induced by scratching
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| telangectasia | dilated superficial blood vessels
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| petechiae | circumscribed deposit of blood less than 1 cm
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| purpura | circumscribed deposit of blood; greater than 1cm
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| annular | forming ring/circle
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| arcuate | part of a circle
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| polycyclic | several intersecting portions of circles
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| serpigninous | snake like -- curving line
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| guttate | small round lesions; "drop like"
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| nummular | coin-like
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