Derm Flashcards

1
Q

target lesions

A

erythema multiforme
Happens as a result of infection, usually self-limiting

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2
Q

light brown papules with a depressed center

A

molluscum contagiosum
caused by a poxvirus, in children/immunocompromised people

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3
Q

eczema Mx

A

emollients
topical hydrocortison / eumovate

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4
Q

Px of psoriasis

A

demarcated plaque, scaly, pink
nail onchylosis

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5
Q

Mx of mild psoriasis

A

vitamin d analogue
corticsteroids

both topical

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6
Q

muscle pain and weakness
eczema on knuckles/elbows
photosensitive rash on back
rash around eyes

A

dermatomyositis
gottron lesions
heliotrope rash in the periorbital region

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7
Q

differentiating between SJS and TEN

A

SJS: <10% of body, TEN > 10%

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8
Q

Px of SJS / TEN

A

blistering patches all over body, peel to reveal raw flesh
blisters in mucosal membranes e.g. mouth

TEN is >10% of body surface
SJS is <10% of body surface

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9
Q

Mx of acne vulgaris

A

benzoyl peroxide
limecycline
isotretinoin (must be prescribed by dermatologist)

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10
Q

difference between cellulitis and erysipelas

A

cellulitis has poorly demarcated edges
erysipelas is superficial cellulitis

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11
Q

cause of hand foot and mouth

A

coxsackie a virus

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12
Q

pearly papule with telangectasia

A

basal cell carcinoma

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13
Q

red ulcerated bump that doesn’t heal

A

squamous cell carcinoma

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14
Q

dark patch, irregular edges, growing bigger, getting darker

A

melanoma

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15
Q

what is assessed to determine severity of melanoma

A

depth of melanoma
breslow hickness

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16
Q

scaly patch across feet, central clearing, inflamed edges

A

tinea pedis (athletes foot)

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17
Q

Mx of scabies

A

topical permethrin

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18
Q

tuberous sclerosis

A

benign tumours (hamartomas) forming in many organs
fleshy nodules on skin, hypomelanic maculas, cafe au lit patches
seizures, developmental delay

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19
Q

NF1, cause

A

cafe au lait spots
tumours grow in the nervous system

Autosomal dominant

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20
Q

NF2

A

tumours in auditory/opthalmic nerve

bilateral vestibular schwannoma

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21
Q

sturge weber

A

port wine stain
leptomeningeal angioma
(seizures, glaucoma, learning disability)

22
Q

actinic keratosis

A

sun exposure
scaly crusted lesions

23
Q

Mx of actinic keratosis

A

Efudix (flourouracil)

24
Q

sebborrheic dermatitis

A

itchy red plaques, yellow oily crust

eczema that affects the oil glands of face

25
Q

Mx of seb. derm.

A

ketoconazole shampoo and topical corticosteroid

26
Q

treatment for head lice

A

4% dimeticone

27
Q

Blanching red lesions developing on lips, tongue, chest, ears, hands, feet
What is it? Most common initial presentation? Cause?

A

Hereditary haemorrhagic telangectasia
Most commonly presents with nosebleeds in early childhood
Autosomal dominant

28
Q

Tuberous sclerosis skin presentation

A

Subcutaneous nodules
Cafe au lait spots
Hypomelanic patches

29
Q

What is tuberous sclerosis

A

Hamartomas (benign tumours) develop in brain, eyes, skin
Px: seizures, learning disability

30
Q

example of vitamin D analogue

A

topical calcipotriol

31
Q

cause of verruca

32
Q

Mx of verruca

A

topical salicylic acid
cryotherapy

33
Q

1st line mx of psoriasis

A

8 weeks of topical steroid and vitamin D analogue

34
Q

2nd line mx of psoriasis

A

Stop steroid
Start twice daily vitamin d analogue

35
Q

bowens disease
px
mx

A

scc in situ

red scaly plaque

efudix

36
Q

salmon pink spots all over trunk
starts with a herald patch

A

pityriasis rosea

37
Q

1st line Mx of hyperhidrosis

A

aluminium chloride roll on

38
Q

hypo pigmented spots all over back

A

pityriasis versicolour

39
Q

Mx of pityriasis versicolour

A

ketoconazole shampoo

40
Q

Mx of tinea corporis

A

topical terbinafine

41
Q

fungal nail infection caused by dermaphyte. Mx?

A

oral terbinafine

42
Q

fungal nail infection caused by candida. Mx:

A

oral itraconazole

43
Q

Mx of moderate psoriasis

A

UVB phototherapy

44
Q

Mx of severe psoriasis

A

systemic treatments e.g. methotrexate, cyclosporin

45
Q

how many weeks break in between courses of corticosteroids for psoriasis

46
Q

urticaria 1st line

A

non sedating anti histamine = cetirizine

47
Q

urticaria severe acute MX

A

oral pred alongside cetirizine

48
Q

urticaria night symptoms Mx

A

sedating anti histamine
chlorphenamine

49
Q

4 types of malignant melanoma

A

superficial spreading
nodular
acrual lengtingous
lentigo maligna

50
Q

most common type of malignant melanoma

A

superficial sspreading

51
Q

fastest spreading melanoma

52
Q

what can cause exacerbation of psoriasis

A

beta blockers, lithium, NSAIDs
trauma, ACEIs, infliximab
alcohol