13: Morphological terms Flashcards Preview

Dermatology Week 1 2017/18 > 13: Morphological terms > Flashcards

Flashcards in 13: Morphological terms Deck (14)
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1

ABCDE of skin lesions

Assymmetry

Border irregularity

Colour(s)

Diameter

Evolving?

2

What is a lesion?

Small area of disease

3

What is an eruption / rash?

Widespread area of disease, usually involving several lesions

4

What is a macule?

Flat, circumscribed, non-palpable lesion

usually associated with colour change e.g Cafe au lait macules

5

What is a papule?

Small, circumscribed, palpable lesion <5mm in size

6

What is a nodule?

Small, circumscribed, palpable lesion > 5mm in size

7

What is a vesicle?

Blister of clear fluid, < 5mm

8

What is a bulla?

Blister of clear fluid, > 5mm

9

What is a patch?

macule > 2cm in diameter

10

What is a plaque?

raised patch

11

What is a pustule?

pus filled blister

12

What is a cyst?

Pus-filled cavity lined by epithelium

13

What is a wheal?

Transitory bubble of oedema usually associated with urticaria

14

What is an ulcer?

Circumscribed area of skin loss penetrating the dermis