Intro to Dermatology Flashcards Preview

MSI Module II > Intro to Dermatology > Flashcards

Flashcards in Intro to Dermatology Deck (23):
1

Macule

Color change of skin, completley flat, can be any size

2

Papule vs plaque

Papule: raised bump less than 1 cm

Plaque: raised bump greater than 1 cm

3

Pustule

Pus-containing blister

4

Wheal

Soft, edematous dermal lesion (arises in dermis)

5

Bulla vs vesicle

Bulla: blister less than 1 cm

Vesicle: blister greater than 1 cm

6

Nodule

Spherical lesion (can arise from dermis, epidermis, or subcutaneous layer)

7

Erosion

Loss of epidermis that heals without a scar

8

Ulcer

Loss of epidermis and part of the dermis that heals with a scar

9

Lichenification

Thickening of skin (usually secondary to scratching)

10

Crust

Scab (dried bodily fluid)

11

Atrophy

Thinning of skin (can be epidermis or epidermis + dermis)

12

Fissure

Linear ulcer (crack in skin)

13

Scale

Thickened stratum corneum

14

Purpura

Non-blanchable, purple, due to extravasaion of RBCs

15

Annular

Ring of lesions

16

Serpiginous

Lesions look like they are twisting and wandering around like a snake

17

Herpetiform

Lesions are clustered together (like the way reactive shingles would be)

18

Acral

Lesions on distal portions of limbs and head

19

Flexural

Lesions are on major body fold (like cubital or popliteal fossa)

20

Telangiectasias

Small, superficial blood vessels that become visible because they are dilated

21

Petechiae vs purpura

Both nonblanching discoleration of skin due to blood that has extravasated outside vessel walls

22

Comedone

Darkened plug of sebum and karatin that occludes pilosebaceous follicle (blackhead/whitehead)

23

Burrows

Linear or serpiginous tunnels within epidermis