Skin lesions Flashcards by Laura Cameron | Brainscape

Q

which area is affected

A

distribution

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Q

how lesions are arranged

A

configuration

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Q

what the lesion looks like

A

morphology

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Q

small depressions of nail plate

A

pitting, common in psoriasis

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Q

separation of the nail plate from bed

A

onycholysis

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Q

general excess hair growth

A

hypertrichosis

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Q

excess hair growth in a male pattern

A

hirsutism

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Q

loss of hair

A

alopecia

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Q

ABCDEF

A

asymmetry, border, colour, diameter, elevation/evolution, features

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Q

purpura

A

extravasation of blood, will not blanche

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Q

1-2mm area of flat purpura

A

petechia

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Q

erythema

A

vascular dilation, blanches on pressure

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Q

macular rash
papular rash
maculopapular rash

A

flat
raised
flat and elevated

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Q

macule

A

<1cm, localised, flat, colour change

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Q

patch

A

> 1cm, localised, flat, colour change

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Q

papule

A

elevated area <0.5cm

Q

nodule

A

elevated area >0.5cm

Q

plaque

A

raised edge and flatter surface >1cm

Q

pustule

A

pus filled

Q

vesicle

A

<0.5cm filled with fluid

Q

bulla

A

> 0.5cm filled with fluid

Q

wheal

A

compressible dermal swelling

Q

cyst

A

nodule containing semi-solid material

Q

scale

A

accumulated fragments of keratin layer

Q

crust

A

dried exudate

Q

lichenified

A

thickening with increased skin markings

Q

scar

A

normal tissue replaces by fibrous tissue

Q

fissures

A

linear split in epidermis

Q

erosion

A

superficial break in epidermis

Q

ulcer

A

deep break into dermis

Q

atrophy

A

loss of epidermis and sometimes dermis

Q

discrete configuration

A

well demarcated

Q

coalescing configuration

A

merging lesions forming larger areas

Q

confluent configuration

A

no normal skin visible

Q

grouped: linear or annular

A

line or circle