Skin lesions Flashcards by Laura Cameron

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

crust

dried exudate

lichenified

thickening with increased skin markings

scar

normal tissue replaces by fibrous tissue

fissures

linear split in epidermis

erosion

superficial break in epidermis

ulcer

deep break into dermis

atrophy

loss of epidermis and sometimes dermis

discrete configuration

well demarcated

coalescing configuration

merging lesions forming larger areas

confluent configuration

no normal skin visible

grouped: linear or annular

line or circle