SKIN Flashcards

1
Q

macule

A

primary lesion
flat, circumscribed
<1cm

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2
Q

papule

A

primary lesion
elevated lesion
< 1cm

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3
Q

patch

A

primary lesion
flat, circumscribed
>1cm

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4
Q

atopic dermatitis is a.k.a.

A

eczema

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5
Q

plaque

A

primary lesion
circumscribed, elevated
>1cm

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6
Q

nodule

A

primary lesion
circumscribed, elevated
usually solid
0.5-2cm

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7
Q

cyst

A

primary lesion
elevated, circumscribed
encapsulated, filled with liquid or semisolid material

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8
Q

vesicle

A

primary lesion
sharply circumscribed, elevated
fluid-containing lesion
<0.5cm

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9
Q

bulla

A

primary lesion
sharply circumscribed, elevated
fluid-containing lesion
<1.0cm

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10
Q

wheal

A

primary lesion
solid elevation
local, superficial, transient edema
blanches with pressure

e.g. insect bite

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11
Q

comedones

A

primary lesion
plugged secretions of horny material
can be open (black heads)
or closed (white heads)

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12
Q

burrows

A

primary lesion

linear lesion produced by tunneling

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13
Q

telangiectasia

A

primary lesion

fine irregular red lines produced by capillary dilation

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14
Q

scale

A
secondary lesion
compact descquamation (come off in flakes) of stratum corneum
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15
Q

fissure

A
secondary lesion
dry or moist
linear
often painful
cleavage from epidermis to dermis
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16
Q

lichenification

A

secondary lesion
rough, thickened epidermis
secondary to itching, rubbing, or skin irritation

17
Q

scar

A

secondary lesion

permanent fibrotic skin changes that follow damage to dermis

18
Q

keloid

A

secondary lesion

scarring that tends to be beyond initially wounded area

19
Q

crust

A

secondary lesion
dried exudate on epidermis
composed of serum, blood, or pus

20
Q

erosions

A

secondary lesion
moist, slightly depressed vesicular lesion on which all or part of epidermis has been lost; may have surrounding erythema or edema

21
Q

erythema

A

superficial skin reddening as a result of injury or irritation that causes dilation of capillaries

22
Q

purpura

A

secondary lesion
flat lesion, may be palpable
petechiae if pinpoint
not blanchable

23
Q

border

A

raised or indurated
OR
indistinct (e.g. cellulitis)

24
Q

blaschko

A

linear lesions that do not follow known vascular, nervous, or lymphatic pattern

25
Q

dermatomal/zosteriform

A

lines demarcating a dermatome

26
Q

annular

A

round, ring-shaped; periphery distinct from center

27
Q

nummular

A

coin-shaped; homogenous character throughout

28
Q

targetoid

A

concentric-ringed lesions

29
Q

herpetiform

A

clusters of erythematous (occasionally scabbed) lesions (e.g. herpes simplex)

30
Q

corymbiform

A

central cluster of lesions surrounded by scattered individual lesions