terms in skin examination - primary lesions

Question 1

what is a macule?

Answer 1

localised flat colour change <1cm

Question 2

what is a patch?

Answer 2

localised flat colour change >1cm

Question 3

what does pustule mean?

Answer 3

pus filled

Question 4

what does fluid filled describe?

Answer 4

vesicle <0.5cm
bulla >0.5cm

Question 5

what is a papule?

Answer 5

localised elevated area <0.5cm

Question 6

what is a nodule?

Answer 6

localised elevated area >0.5cm (greater dermal extent than papule)

Question 7

what is a plaque?

Answer 7

raised edge with flatter surface >0.5cm

Question 8

what is a wheal?

Answer 8

compressible dermal swelling

Question 9

what is a cyst?

Answer 9

nodule containing semi-solid material