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Dermatology > Introduction to Dermatology > Flashcards

Flashcards in Introduction to Dermatology Deck (24):
1

What are some examples of adnexal structures?

Hair
Nails
Glands
Sensory structures

2

What are the 5 layers of the skin?

Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum

3

What are the functions of the skin?

Thermoregulation (insulation, heat transfer)
Skin immune system
Barrier protection (mechanical, chemical, uv, keeps in water)
Sensation (temp, pain, touch)
Vitamin D synthesis
Interpersonal communication

4

Why is skin disease important?

Disfigurement (acne scars)
Disability
Discomfort (itch)
Depression
Death

5

What are the external causes of skin disease?

Temperature
Ultraviolet light
Chemical
Infection
Trauma

6

What are the internal causes of skin disease?

Systemic disease
Autoimmune
Genetics
Drugs
Infection

7

What is a macule?

Small circumscribed and flat lesion

8

What is a patch?

Large circumscribed and flat lesion

9

What is a papule?

Small raised area

10

What is a plaque?

Large raised area

11

What is a vesicle?

Small fluid filled area

12

What is a bulla?

Large fluid filled area

13

What is a pustule?

Small pus filled area

14

What is an abscess?

Large pus filled area

15

What is an erosion?

Loss of epidermis, heal well without scarring

16

What is an ulcer?

Lossof epidermis and dermis, heal with scarring

17

What are petechiae?

Small haemorrhages under the skin

18

What are purpura?

Larger haemorrhages under the skin

19

What is acanthosis nigricans associated with?

Insulin resistance
Obesity
Malignancy

20

What is eruptive xanthoma associated with?

Hyperlipidaemia

21

What is myxoedema?

Deposition of mucin in the skin

22

What should be done if a bacterial infection is suspected?

Charcoal swab, send for microscopy, culture and sensitivities

23

What should be done if a viral infection is suspected?

Viral swab for PCR
Throat swab for systemic illness

24

What should be done if a fungal infection is suspected?

Skin scraping
Nail clipping
Hair sample
Fungal cultures