Dermatology Flashcards

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1
Q

define acne?

A

disorder of the pilosebaceous apparatus which usually peaks during adolescence

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2
Q

what are the side effects of acne?

A
  • comedones
  • papules
  • pustules
  • nodules
  • cysts
  • scars
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3
Q

what are comedones?

A

blackheads

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4
Q

what are papules?

A

a small pimple/swelling

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5
Q

what are pustules?

A

a blister containing pus

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6
Q

what is a nodule?

A

small swelling

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7
Q

what are 4 causes of acne?

A
  1. excess sebum secretion
  2. hormones - esp androgens = male sex hormones
  3. bacteria (P acnes)
  4. drugs
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8
Q

what are 5 treatment options for acne?

A
  • local abrasives
  • topical antibiotics
  • topical vitamin A analougues
  • systemic antibiotics
  • isotretinoin
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9
Q

what are the symptoms of rosacea? 5

A
  • flushing
  • telangiectasia
  • erythema
  • pustules
  • inflammed papules
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10
Q

define erythema

A

dilation of blood capillaries resulting from injury/irritation

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11
Q

define telangiectasia

A

dilated capillaries that have a spider like appearance

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12
Q

what are the 2 possible conditions associated with rosacea?

A
  • conjunctivitis (infl of eye)

- blepharitis (infl of eyelid)

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13
Q

what are 5 common triggers for rosacea?

A
  • spicy food
  • sunlight
  • stress
  • alcohol
  • temp change
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14
Q

what are 6 treatment options for rosacea?

A
  1. avoid triggering factors
  2. antibiotics (topical +/- systemic)
  3. cosmetic camouflage
  4. laser
  5. isotretinoin
  6. avoid topical steroids
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15
Q

What causes impetigo?

A

staphlococci or streptococci bacteria

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16
Q

Is impetigo contagious?

A

yes

17
Q

what will impetigo look like?

A

yellow crusting

may blister

18
Q

impetigo can trigger what?

A

glomerulonephritis

19
Q

what is glomerulonephritis?

A

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

20
Q

How is impetigo diagnosed and treated?

A
  • taking bacterial swabs

- antibiotics

21
Q

what is folliculitis?

A

superficial infection of the hair follicle

22
Q

what is the bacteria usually causing folliculitis?

A

S aureus

23
Q

what does folliculitis look like?

A
  • papules
  • pustules
    associated with hair follicles
  • erythema of around 1-2mm
24
Q

what is folliculitis associated with?

A

diabetes

25
Q

what should be considered in a patient with folliculitis?

A

are they a nasal staph carrier

26
Q

what are furuncles/carbuncles?

A

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

27
Q

where will you find a furuncle?

A

hair bearing sites

28
Q

how big are carbuncles?

A

3-10cm nodule

29
Q

what is a stye?

A

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

30
Q

what is cellulitis?

A

inflammation of the subcutaneous connective tissue

31
Q

what is erysipelas?

A

a form of cellulitis

32
Q

what bacteria is involved with erysipelas?

A

Gp A beta haemolytic strep

33
Q

what does erysipelas look like?

A
  • on face or extremities

- spreading red edge

34
Q

what symptoms will the patient be having with erysipelas?

A
  • malaise
  • fever
  • discomfort
35
Q

what is the treatment for erysipelas?

A

systemic antibiotics

36
Q

what are virus are viral warts usually caused by?

A

HPV

37
Q

what is the most common area to get facial warts?

A

on the beard area of men

38
Q

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

A
  • plane (flat) warts (may be difficult to diagnose)

- may resolve spontaneously or require cryotherapy

39
Q

what is cryotherapy?

A

extreme cold