The flashcards below were created by user
cjd45
on FreezingBlue Flashcards.
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Macule
Flat, discolored, <1cm
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Patch
Flat, discolored, >1cm
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Papule
Solid, elevated, <1cm
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Plaque
Solid, elevated, >1cm
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Nodule
Solid, palapable, deep/tall, >1cm
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Friable
Easily bleeds on abrasion
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Wheal = hives = urticaria
Skin swelling, transient; pink/white; due to extravasation of plasma
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Dermatographism
Wheals appear when skin is stroked
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Scar
thickened or thinned skin; fibrous tissue replaces normal at site of damage
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Comedo
enalarged har follicle, contains keratin & lipids
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Open Comedone
Blackhead (dilated follicular opening)
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Closed Comedone
Whitehead (no visible follicular opening)
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Vesicle
Fluid-filled; <1cm
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Pustule
Circumscribed elevation containing pus
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Furuncle
nodule centered on a follicle; contains pus due to infection; painful, red
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Carbuncle
a coalescence of several furuncles
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Abscess
accumulation of pus in dermis or below (deeper than a furuncle)(red, warm, fluctuant)
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Fluctuant
it can be moved
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Purpura
Reddish purple lesions; due to extravastion; nonblanching
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Petechiae
pinpoint purpura
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Ecchymoses
large, bruiselike purpura
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Palpable purpura
raised purpura; inflammatory
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Telangectasia
dilation of superficial blood vessels
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Erosions
Depressed lesion; loss of epidermis; doesn't scar
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Ulcer
Loss of tissue down into dermis; usually scars
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Scale
flaking of outer layer of skin
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Crust
hard deposits of dried serum, blood, or pus
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Excoriation
focal erosion due to scratching; linear; assoc w. prurutis
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Lichenification
Thickened skin w/ markings; due to repeated rubbing/scratching
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Black skin
Melanin, necrosis
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Blue skin
deep dermal pigment, low HgB, tattoo
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Brown skin
melanin, hemosiderin
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Pearly skin
Basal cell carcinoma
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Erythema
rednes due to blood vessel dilation
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Annular
edge different from center
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Nummular
coin-shaped; same from edge to center
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Polycyclic
coalescing circles / rings
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Linear
strait line lesions; implies external contact / Koebner phenomenon due to scratching
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Targetoid
target with 3 distinct zones of color
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Herpetiform
lesions that are clustered (usually herpes)
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Scattered
irregular distribution
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Dermatomal
limited to a given spinal nerve root distribution (eg herpes zoster)
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Photodistributed
sun exposed areas; face, hands, neck / upper chest
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Sun-protected
areas covered by clothing
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Acral
hands, feet, wrists, ankles
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Truncal
on the trunk of the body
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Extensor
occuring over extensor muscles (knees, elbows)
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Flexor
occuring over flexor muscles (antecubital & politeal fossae)
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Intertriginous
occuring in folds where two skin surfaces are in contact
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Localized
in a single location
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Bilateral symmetrical
mirror-image
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Universal
involves entire surface of body
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