Terminology

Question 1

Macule

Answer 1

circumscribed, flat discoloration

Question 2

Patch

Answer 2

circumscribed, flat discoloration > 0.5cm

Question 3

Papule

Answer 3

domed, raised lesion

Question 4

Pustule

Answer 4

domed, papule containing pus

Question 5

Nodule

Answer 5

domed, raised lesion >0.5cm

Question 6

Plaque

Answer 6

raised, flat-topped lesion >0.5cm

Question 7

Vesicle

Answer 7

papule containing fluid

Question 8

Bulla

Answer 8

nodule containing fluid >0.5cm

Question 9

Wheal

Answer 9

edematous, transient plaque

Question 10

What are secondary findings caused by?

Answer 10

External forces such as scratching, trauma, infection, or changes caused by healing

Question 11

Scale

Answer 11

thickening of the stratum corneum

Question 12

What is hyperkeratotic scale?

Answer 12

thick, white scale

Question 13

Crust

Answer 13

dried endogenous material on the skin

Question 14

Erosion

Answer 14

loss of the epidermis

Question 15

Ulcer

Answer 15

loss of epidermis and dermis

Question 16

Excoriation

Answer 16

linear erosion from scratching

Question 17

Fissure

Answer 17

linear ulceration

Question 18

Lichenification

Answer 18

thickening of skin with accentuation of skin markings due to chronic scratching or rubbing

Question 19

Atrophy

Answer 19

thinning of epidermis, dermis, and/or subcutaneous fat

Question 20

Purpura

Answer 20

lesions caused by extravastaed red blood cells

Question 21

purpura petechiae

Answer 21

pinpoint red-brown macules

Question 22

Purpura Ecchymosis

Answer 22

Bruise

Question 23

Palpable Purpura

Answer 23

most commonly caused by vasculitis

Question 24

Annular

Answer 24

round or ovoid with central clearing

Question 25

Targetoid

Answer 25

resembling a bull's eye

Question 26

Blaschkoid

Answer 26

whorled pattern following the lines of epidermal migration

Question 27

Keobnerized

Answer 27

development of linear lesions following trauma classically occurs in psoriasis and lichen planus

Question 28

Reticulate

Answer 28

net-like reflecting underling vasculature

Question 29

Photodistributed

Answer 29

face, V of neck, hands and forearms

Question 30

Seborrheic

Answer 30

scalp, brows, glabella, alae, sternal chest, groin, axillae

Question 31

Fluctuant

Answer 31

suggests underlying fluid

Question 32

Burrow

Answer 32

wavy tunnel in the epidermis due to Scabies infestation

Question 33

Verrucous

Answer 33

wart-like