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5 Human Diseases > Dermatology > Flashcards

Dermatology Flashcards

1
Q

what is the difference between the presentation of acne and rosacea?

A

no comodones in rosacea - black/whiteheads

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2
Q

what is the management of rosacea?

A

avoid triggers -> spicy food, alcohol, stress, temperature change, sunlight

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3
Q

what is the presentation of peri oral dermatitis?

A

Itchy red papules around the eyes, mouth and nose

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4
Q

how is peri oral dermatitis treated?

A

oral antibiotics

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5
Q

what makes oral dermatitis worse?

A

steroids

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6
Q

how do bacterial skin infections tend to present?

A

pussy, oozy crusty

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7
Q

what is imphetigo caused by 2

A

streptococci and staphylococci and is contagious

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8
Q

how is impetigo treated?

A

antibiotics - topical if localised and systemically well

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9
Q

what is a furunculosis/boil caused by

A

Pustular infection (S.aureus) of the hair follicle

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10
Q

what is a furunculosis/boil associated with?

A

diabetes

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11
Q

what should u check for if a pt has a furunculosis/boil

A

nasal streptococcal carrier - if so then nasal antibiotics

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12
Q

what is erysipelas?

A

Superficial form of cellulitis usually on one side of the body

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13
Q

what is erysipelas caused by?

A

Group A beta haemolytic streptococcus

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14
Q

what is the presentation of erysipelas?

A

Spreading red edge -> sharp line of demarcation

systemic symptoms

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15
Q

how is erysipelas treated?

A

systemic antibiotics

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16
Q

what is the general presentation of fungal infections

A

Red, dry and scaly

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17
Q

name two fungal skin infections

A

dermatophyte - tinea

candida

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18
Q

what is the presentation of candida?

A

white colour

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19
Q

what pt are at increased susceptibility of candida?

A

diabetics - likes sugar

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20
Q

what is the general presentation of viral skin infections?

A

tiny blisters

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21
Q

what is the cause of viral warts?

A

HPV

22
Q

how are viral warts treated?

A

May resolve spontaneously or require cryotherapy

23
Q

what is the cause of Molluscum contagiosum

A

DNA pox virus

24
Q

how are Molluscum contagiosum treated?

A

will resolve on their own but take a while

25
Q

herpes simplex can be triggered by what?

A

UV light

26
Q

what is shingles caused by?

A

reactivation of chicken pox

27
Q

how is shingles treated?

A

oral antivirals

28
Q

is hand foot and mouth disease caused by bacteria, fungus or virus?

A

hand foot and mouth disease

29
Q

what is eczema caused by?

A

genetics

30
Q

name 3 types of eczema

A

atopic
contact dermatitis
seborrhoeic

31
Q

what is contact dermatitis?

A

Inflammation of the skin caused by contact with something in the environment

32
Q

who can get irritant contact dermatitis?

A

We can all get e.g. washing hands 100 times

33
Q

how is allergic contact dermatitis investigated?

A

patch testing

34
Q

name a dentally relevant example of allergic contact dermatitis?

A

Lichenoid reaction - allergy to metal filling

35
Q

what causes Seborrhoeic?

A

yeast overgrowth

36
Q

what areas of the skin are affected by seborrhoeic?

A

Affects areas of the skin with lots of oil glands

37
Q

how is eczema treated?

A

avoid irritants, moisturisers, steroids, UVL, immunosuppressives

38
Q

compare the presentation of psoriasis to eczema

A

More flaky than eczema and has a clear outline

39
Q

compare psoriasis to fungal infections

A
  • Bilateral where as fungal infections are unilateral
40
Q

lichen Planus appearance in the mouth

A

White lacy appearance in the mouth

41
Q

what is pemphigus vulgaris?

A

Immune system attacks connections that hold skin together in the epidermis

42
Q

how is pemphigus vulgars treated?

A

immunosuppression

43
Q

how does erythema multiforme present?

A

Target lesion - bullseye pattern rings

44
Q

what is the presentation of orofacial granulomatosis?

A

Soft tissues in the mouth, lips and face to swell

45
Q

what is the presentation of peutz jegher syndrome

A

Polyps in the GI tract and dark spots on the skin

46
Q

risk factors for skin cancer 6

A

Excessive sun exposure and sunbed use

Multiple sunburns

Skin type

Immunosuppression

Personal and family history

Number of moles

47
Q

basal cell carcinoma (cancer) is usually due to?

A

sun exposure

48
Q

do basal cell carcinoma metastasise?

A

no

49
Q

what is the difference between basal cell carcinoma and squamous cell carcinoma?

A

squamous cell carcinoma grow faster and are tender

50
Q

name 2 precursors for squamous cell carcinoma (cancer)

A

actinic keratosis
Bowen’s disease

51
Q

what is the most concerning cancer by prognosis if not caught early?

A

melanoma

52
Q

how do u separate melanomas from benign lesions?

A

ABCDE
- Asymmetry
- Border irregularity
- Colour variation
- Diameter >6mm
- Evolving/elevated

5 Human Diseases (16 decks)

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