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Dermatology > Definitions > Flashcards

Definitions Flashcards

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Dermatology Board Prep flashcards
1
Q

DCM

A

distribution: location and symmetry
configuration: pattern e.g. herpetiform, linear
morphology: macule, erythema, etc.

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2
Q

eruption

A

a rash

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3
Q

erythematous

A

redness; blanches

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4
Q

pruritus

A

itching sensation

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5
Q

lesion

A

singular area of skin disease

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6
Q

macule

A

flat (non-palp) colour change, defined

‘marks’

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7
Q

papule

A
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8
Q

plaque

A

flat-topped palpable defined lesions >5mm

‘peel off’ or ‘stuck on’

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9
Q

nodule

A

> 5mm domed palpable mass

dermal +/- subcut

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10
Q

scale vs. crust

A

scale: white, loosening of skin, dry
crust: usually golden, dry, dried pus/blood/sebum

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11
Q

wheal

A

smooth dermal swellings, rounded or flat, defined, erythema/pale

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12
Q

vesicle

A

papules filled with clear fluid

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13
Q

pustule

A

pus-filled papules

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14
Q

bullae

A

vesicles >5mm

clear fluid

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15
Q

erosion

A

partial loss of surface epithelium

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16
Q

ulcer

A

full thickness loss of surface epithelium

can extend into dermis/subcut

17
Q

excoriation

A

skin breaks due to scratching/exogenous injury

18
Q

lichenification

A

skin thickening and increased markings

usually due to chronic scratching /rubbing

19
Q

ecchymosis

A

‘bruise’, extravasated blood

20
Q

fissure

A

linear crack in skin, thin

21
Q

petechiae

A

pin-head purple macules, non-blanching

blood in skin due to small BV Hge

22
Q

purpura

A

larger than petechiae
red/purple
non-blanching

23
Q

telangiectasia

A

visible small cutaneous BV (dilatation)

blanching

24
Q

generalised vs. widespread vs. localised

A

generalised : whole body

widespread: extensive
localised: one area

25
Q

hypertrichosis

A

excess hair growth

not due to androgens

Dermatology (12 decks)

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