Skin BGDA

Question 1

What is a macule?

Answer 1

flat, circumscribed area of colour change, < 1cm

Question 2

What is a patch?

Answer 2

flat, circumscribed area of colour change, > 1cm

Question 3

What is a plaque?

Answer 3

plateau-like elevation of skin, > 1cm

Question 4

What is a papule?

Answer 4

palpable, < 1cm

Question 5

What is a nodule?

Answer 5

palpable, solid, > 1cm

Question 6

What is a vesicle?

Answer 6

small palpable collection of fluid

Question 7

What is a pustule?

Answer 7

visible collection of pus, <1cm

Question 8

What is a bulla?

Answer 8

elevated collection of fluid (clear, serous or haemorrhagic), >1cm

Question 9

What is an erosion?

Answer 9

superficial area of tissue loss

Question 10

What is an ulcer?

Answer 10

circumscribed loss of tissue, deeper than erosion

Question 11

What is the 1st ‘S’?

Answer 11

Site

Question 12

What is the 2nd ‘S’?

Answer 12

Size

Question 13

What is the 3rd ‘S’?

Answer 13

Shape -
o linear
o annular, round, oval…
o reticulated (web, lacy)
o serpiginous (slowly progressive,
“creeping”)

Question 13

What is the 4th ‘S’?

Answer 13

Solitary or not - one lesion or more

Question 14

What is the 5th ‘S’?

Answer 14

Shade
o erythematous (blanches)
o pigmented, depigmented,
hyperpigmented, hypopigmented
o purpuric (do not blanch); small (5 mm) are
petechiae, larger lesions are purpura.

Question 15

What is the 6th ‘S’?

Answer 15

Surface including shade (scaly, rough, shiny….)

Question 16

What is the 7th ‘S’?

Answer 16

Surrounds
o edge-well circumscribed, irregular,
diffuse …
o surrounding skin – normal,
erythematous …