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Flashcards in General terminology Deck (17)
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1

What is purpura?

redness due to extravasation of blood- may be raised

2

What is the name for a smaller 1-2mm area of flat purpura?

petechia

3

What is erythema?

redness due to vascular dilatation

4

How can you differentiate between purpura and erythema?

erythema blanches on pressure whereas purpura does not

5

What can cause hyperpigmentation?

increased melanain
haemosiderin
direct chemical staining

6

What is the name for a flat localised coclour change less than 2cm?

macule

7

What is the name for a flat localised colour change greater than 2cm?

patch

8

What is the name for a raised lesion

papule

9

What is the name for a raised lesion >0.5cm?

nodule

10

What is a maculopapular rash made up of?

flat and elevated components

11

What is a lesion with a raised edge and flatter surface >1cm?

plaque

12

What is a wheal?

a compressible dermal swelling

13

What is the name for a fluid filled lesion less than 0.5cm?

vesicle

14

What is the name for a fluid filled lesion greater than 0.5cm?

bulla

15

What is a cyst?

nodule containing semi-solid material

16

What is a puss filled nodule?

pustule

17

What is the difference between an ulcer and an erosion?

An erosion is a superficial break in the epidermis whereas the ulcer is a break into the dermis