Rash

Question 1

Macule

Answer 1

small
not palpable
<1 cm

Question 2

Patch

Answer 2

> 1 cm

not palpable

Question 3

Papule

Answer 3

superficial, elevated, <1cm

Question 4

plaque

Answer 4

superficial, elevated, >1cm

Question 5

Nodule

Answer 5

significant deep component, <1 cm

Question 6

Tumour

Answer 6

significant deep component, >1 cm

Question 7

Vesicle

Answer 7

small bubble, fluid-filled, usually superficial, <0.5 cm

Question 8

Bulla

Answer 8

large, fluid-filled, can be superficial or deep, >0.5 cm

Question 9

Pustule

Answer 9

pus-containing bubble
can be:
- follicular
- nonfollicular

Question 10

Folliculitis

Answer 10

superficial, generally multiple

Question 11

Furuncle

Answer 11

deeper form of folliculitis

Question 12

Carbuncle (boil)

Answer 12

deeper, multiple follicles coalescing

Question 13

cyst

Answer 13

a sac containing fluid or semisolid material (cells or cell products)

Question 14

Wheals, hives

Answer 14

short-lived edematous, well circumscribed papules or plaques seen in urticaria

Question 15

Burrow

Answer 15

small threadlike curvilinear papule - pathognomonic of scabies

Question 16

Comedone

Answer 16

can be open/closed

Question 17

Atrophy

Answer 17

thinning of epidermal/dermal tissue

Question 18

hypertrophic scar

Answer 18

do not overgrow the original wound boundaries

Question 19

keloids

Answer 19

extend beyond wound boundaries, more chronic

Question 20

fibrosis/sclerosis

Answer 20

dermal scarring/thickening reactions

Question 21

petechiae, purpura, ecchymosis

Answer 21

red cells outside the vessel walls; non-blanchable

Question 22

Telangiectasis

Answer 22

dilated superficial dermal vessels

Question 23

Milium

Answer 23

small superficial cyst containing keratin

Question 24

Scale

Answer 24

accumulation/excess shedding of stratum corneum

means epidermis is involved

Question 25

secondary lesions

Answer 25

appear as a result of alteration or evolution of a primary lesion

Question 26

Crust

Answer 26

dried exudate on the skin surface

Question 27

Excoriation

Answer 27

loss of skin due to scratching/picking

Question 28

Lichenification

Answer 28

increase in skin lines/creases produced by chronic rubbing

Question 29

Maceration

Answer 29

raw, moist, wet tissue

Question 30

Fissure

Answer 30

linear crack in the skin; often very painful

Question 31

erosion

Answer 31

superficial open wound, loss of epidermis or mucosa only

usually heals without scarring

Question 32

Ulcer

Answer 32

deeper open wound with partial or complete loss of dermis or submucosa
usually heals with scarring