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Flashcards in Dermatology Deck (39)
1

define acne?

disorder of the pilosebaceous apparatus which usually peaks during adolescence

2

what are the side effects of acne?

- comedones
- papules
- pustules
- nodules
- cysts
- scars

3

what are comedones?

blackheads

4

what are papules?

a small pimple/swelling

5

what are pustules?

a blister containing pus

6

what is a nodule?

small swelling

7

what are 4 causes of acne?

1. excess sebum secretion
2. hormones - esp androgens = male sex hormones
3. bacteria (P acnes)
4. drugs

8

what are 5 treatment options for acne?

- local abrasives
- topical antibiotics
- topical vitamin A analougues
- systemic antibiotics
- isotretinoin

9

what are the symptoms of rosacea? 5

- flushing
- telangiectasia
- erythema
- pustules
- inflammed papules

10

define erythema

dilation of blood capillaries resulting from injury/irritation

11

define telangiectasia

dilated capillaries that have a spider like appearance

12

what are the 2 possible conditions associated with rosacea?

- conjunctivitis (infl of eye)
- blepharitis (infl of eyelid)

13

what are 5 common triggers for rosacea?

- spicy food
- sunlight
- stress
- alcohol
- temp change

14

what are 6 treatment options for rosacea?

1. avoid triggering factors
2. antibiotics (topical +/- systemic)
3. cosmetic camouflage
4. laser
5. isotretinoin
6. avoid topical steroids

15

What causes impetigo?

staphlococci or streptococci bacteria

16

Is impetigo contagious?

yes

17

what will impetigo look like?

yellow crusting
may blister

18

impetigo can trigger what?

glomerulonephritis

19

what is glomerulonephritis?

term used for several kidney diseases usually characterised by inflammation of the glomeruli or asociated blood vessels but not always

20

How is impetigo diagnosed and treated?

- taking bacterial swabs
- antibiotics

21

what is folliculitis?

superficial infection of the hair follicle

22

what is the bacteria usually causing folliculitis?

S aureus

23

what does folliculitis look like?

- papules
- pustules
associated with hair follicles
- erythema of around 1-2mm

24

what is folliculitis associated with?

diabetes

25

what should be considered in a patient with folliculitis?

are they a nasal staph carrier

26

what are furuncles/carbuncles?

small perifollicular abscess (boil) resulting in the destruction of the hair follicle that is tender and inflamed

27

where will you find a furuncle?

hair bearing sites

28

how big are carbuncles?

3-10cm nodule

29

what is a stye?

a furuncle involving sebaceous (oil) gland of the eyelid margin

30

what is cellulitis?

inflammation of the subcutaneous connective tissue

31

what is erysipelas?

a form of cellulitis

32

what bacteria is involved with erysipelas?

Gp A beta haemolytic strep

33

what does erysipelas look like?

- on face or extremities
- spreading red edge

34

what symptoms will the patient be having with erysipelas?

- malaise
- fever
- discomfort

35

what is the treatment for erysipelas?

systemic antibiotics

36

what are virus are viral warts usually caused by?

HPV

37

what is the most common area to get facial warts?

on the beard area of men

38

what do these viral warts look like and how are they treated?

- plane (flat) warts (may be difficult to diagnose)

- may resolve spontaneously or require cryotherapy

39

what is cryotherapy?

extreme cold