lesions

Question 1

macule

Answer 1

discoloured spot on skin

e.g. freckle

Question 2

wheal

Answer 2

localised, elevation of the skin that is often accompanied by itching

e.g. urticaria

Question 3

papule

Answer 3

solid, circumscribed, elevated area on the skin

e.g. pimple

Question 4

nodule

Answer 4

larger papule

e.g. acne vulgaris

Question 5

vesicle

Answer 5

small fluid filled sac (blister)

bulla is a large vesicle

e.g. varicella (chickenpox)

Question 6

pustule

Answer 6

small, elevated circumscribed lesion of the skin that is filled with pus

e.g. whitehead

Question 7

erosion or ulcer

Answer 7

eating/gnawing away of tissues

e.g. decubitus ulcer

Question 8

crust

Answer 8

dry, serous or seropurulent, brown, yellow, red or green exudation that is seen in secondary lesions

e.g. eczema

Question 9

scale

Answer 9

thin, dry flake of cornified epithelial cells

e.g. psoriasis

Question 10

fissure

Answer 10

crack like sore or slit that extends through the epidermis ino the dermis

e.g. athlete’s foot