SKIN

Question 1

macule

Answer 1

primary lesion
flat, circumscribed
<1cm

Question 2

papule

Answer 2

primary lesion
elevated lesion
< 1cm

Question 3

patch

Answer 3

primary lesion
flat, circumscribed
>1cm

Question 4

atopic dermatitis is a.k.a.

Answer 4

eczema

Question 5

plaque

Answer 5

primary lesion
circumscribed, elevated
>1cm

Question 6

nodule

Answer 6

primary lesion
circumscribed, elevated
usually solid
0.5-2cm

Question 7

cyst

Answer 7

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

Question 8

vesicle

Answer 8

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

Question 9

bulla

Answer 9

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

Question 10

wheal

Answer 10

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

e.g. insect bite

Question 11

comedones

Answer 11

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

Question 12

burrows

Answer 12

primary lesion

linear lesion produced by tunneling

Question 13

telangiectasia

Answer 13

primary lesion

fine irregular red lines produced by capillary dilation

Question 14

scale

Answer 14

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

Question 15

fissure

Answer 15

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

Question 16

lichenification

Answer 16

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

Question 17

scar

Answer 17

secondary lesion

permanent fibrotic skin changes that follow damage to dermis

Question 18

keloid

Answer 18

secondary lesion

scarring that tends to be beyond initially wounded area

Question 19

crust

Answer 19

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

Question 20

erosions

Answer 20

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

Question 21

erythema

Answer 21

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

Question 22

purpura

Answer 22

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

Question 23

border

Answer 23

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

Question 24

blaschko

Answer 24

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

Question 25

dermatomal/zosteriform

Answer 25

lines demarcating a dermatome

Question 26

annular

Answer 26

round, ring-shaped; periphery distinct from center

Question 27

nummular

Answer 27

coin-shaped; homogenous character throughout

Question 28

targetoid

Answer 28

concentric-ringed lesions

Question 29

herpetiform

Answer 29

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

Question 30

corymbiform

Answer 30

central cluster of lesions surrounded by scattered individual lesions