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Year 6 > Dermatology > Flashcards

Dermatology Flashcards

1
Q

Steven Johnson syndrome drugs

A

Never press skin as it can peel

NSAIDs
Phenytoin
Sulphonamides
Allopurinol
IVIG
Carbmazepine
Penicillin

Lamotrigine

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2
Q

Allergy tests and their uses

A

Skin prick- food allergens
RAST- IgE- food and inhaled- use if skin prick CI- on AH or anaphylaxis or extensive eczema
Skin patch- contact dermatitis

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3
Q

Tx of Bowen’s disease/actinic keratoses

A

5-fluorouracil cream

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4
Q

Tx of SJS

A

Stop factor
IVIG - 1st, 2nd IS

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5
Q

Cause of seb dermatitis

A

Malassezia Furfur
More common in PD

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6
Q

Tx of seb dermatitis

A

Scalp- zinc

Face/body- topical ketoconazole

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7
Q

Golden crusty appearance dx

A

Impetigo

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8
Q

Tx of impetigo

A

Localised non bulls- Hydrogen peroxide

Widespread non- oral fluclox

Bullous systemic- oral fluclox

School exclusion- 48hrs after tx or crusted

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9
Q

Tx of acne

A

Mild- topical retinoid

Moderate- Oral lymecycline or COCP + BPO

Derm referal- oral isoretanoin

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10
Q

SE of isoretanoin

A

Dryness, teratogenic, photosensitivity, low mood

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11
Q

acne roseacea sx

A

Flushing, nose cheeks forehead - realted to alcohol consumption
Persistent pustopapular erythema

Middle Aged

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12
Q

Tx of acne rosacea

A

Topical ivermectin/metronidazole - mild/mod
Prominently flushing- bromonidine gel

Severe- oral tetracycline and topical ivermectin- if rhinophyllia or severe papule/pustules

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13
Q

Pityriasis versicolour organism

A

Malassezia furfur

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14
Q

Pityriasis versicolour sx and tx

A

Hypopigmented patches, after suntan
Happens in warm climates
Itchy

Topical ketoconazole

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15
Q

Vitiligo mx

A

AI screen
Sunbloc, topical CS

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16
Q

Psoriasis tx

A

4 week-topical CS potent in morn
and Vit D analogue at night

If flexor- such as axilla- mild topical CS only
Face- potent CS

Aim fro 4 weeks between CS tx

2nd- if no improvement in 8 weeks - BD Vit D and CS

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17
Q

Tx of eczema

A

Low dose- hydrocortisone
Clobetasone
Betamethasone, fluticortisone
Clobetasol

Infective- oral fluclox
Eczema herp- oral acyclovir

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18
Q

Tx of scabies

A

Permethrin
All close contacts
2 doses- 1 week apart

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19
Q

Tx of head lice

A

Malathion

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20
Q

Tx of keloid

A

Intralesional steroids

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21
Q

White plaques on vulva

A

Lichen sclerosis

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22
Q

Spider nevi vs telangiectasia

A

Press down on them watch fill
Nevi fill from the centre, telangiectasia fill from edge

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23
Q

What can actinic keratosis turn into

A

Squamous cell

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24
Q

Raised pink papule with central dimple

A

Molloscum contagiosum

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25
Q

Irregular lesion on palms or feet

A

Acral lentiginous melanoma

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26
Q

Hyperpigmentation and hyperkeratosis around axilla

A

Acanthosis nigricans

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27
Q

Tx of ulcer with hyperpigmentation

A

Venous- compression bandages

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28
Q

Lesion grown from previous injury- single nodule

A

Dermatofibroma
Reassure

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29
Q

Purple, polygonal, pleuritic papule and plaques with white lace in flexors tx

A

Lichen planus
Topical potent steroids

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30
Q

Complications of seborrhoea dermatitis

A

Otitis media and blepharitis

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31
Q

Itchy red patches of skin in face

A

Seb dermatitis

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32
Q

Mottled erythema with net like pattern

A

Erythema ab igne
Where exposed to heat

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33
Q

Pyogenic granuloma features

A

Past trauma
Rapid progressing
Bleed or ulcerate
Can remove

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34
Q

Dermatophyte nail infection tx

A

Oral terbinafine

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35
Q

monomorphic, punched-out lesions

A

Eczema herpecticum

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36
Q

Healthcare workers with no varicella AB

A

Should be vaccinated

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37
Q

When to refer with acne roseca

A

If red inflamed eyes and eyelids

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38
Q

Erythematous circular patch with raised edge and central hypo pigmentation tx

A

Tinea corpis
Oral fluconazole

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39
Q

Rule of % surface area of burn

A

Rule of 9s
9- chest, abdo face, anterior leg, head and neck
4.5- anterior arm

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40
Q

Tx of hyerhidrosis

A

Aluminium chloride

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41
Q

Which drug can exacerbate psoriatic plaques

A

BLAN
Beta blockers
Lithium
Alcohol
NSAIDs

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42
Q

Scaly tear drop papular rash 2 weeks after URTI

A

Guttate psoriasis

43
Q

Pruitic papulovesicular elbow/knee/buttocks rash

A

Dermatitis herpetiformis

44
Q

Types of skin lesion

A

Macule- flat, <1cm
Plaque- >1cm palpable, elevated
Papule- elevated, solid, <1cm
Nodule- elevated, solid, >1cm
Vesicle- elevated fluid <1cm
Pustule- >1cm

45
Q

Tx of guttate psoriasis

A

Reassurance and topical tx if symptomatic lesions

46
Q

Topical steroids SE

A

Skin depigmentation

47
Q

When to give IV fluids in burns

A

When >15% of second or third in adult

48
Q

Tx of lichen sclerosis

A

Topical steroids

49
Q

If IC or previous transplant and lesion what should you do

A

Urgent referral to term

50
Q

Singel plaque with scale, then generalised rash with patches and plaques, follows a viral infection

A

Pityriasis rosea

51
Q

Herediatoary haemorrhagic telangiectasia sx

A

Epistaxis
Haemoptysis and dyspnoea
Telang- lips

52
Q

Buegers disease features and angiogram

A

Corkscrew collaterals
Absent pulses

53
Q

Shingles tx

A

Antiviral <72 hrs

54
Q

Organism of erysipelas

A

Strep pyogenies

55
Q

Meds causing spider nevi

A

COCP

56
Q

Haematemesis after severe burns

A

Curlings ulcer- due to volume depletion causing ischaemia in gastric mucosa

57
Q

Pearly, flesh-coloured papule, rolled edges with telangiectasia may ulcerate

A

BCC

58
Q

Target lesions

A

Erythema multiforme

59
Q

Dermoid vs sebaceous cyst

A

Demoid- many hairs, skin cells, teeth ect

Seb- 1 hair punctin, filled with pus

60
Q

Oedema after burns reason

A

Hypoalbuminaemia

61
Q

If have severe burns what should you consider doing

A

Early intubation

62
Q

Cause of pellagra

A

Isoniazid

63
Q

Nikolsky sign

A

Blisters and erosions appear when the skin is rubbed gently

64
Q

Causes of hirsutism

A

PCOS- most common
Cushing
CAH
Androgen therapy
Obesity

65
Q

Parkland formula

A

% bunt x weight x 4= total fluid

Half delivered in first 8 hours

66
Q

Features of Bowen disease

A

May progress to squamous cell
persistent reddish-brown patch or plaque of dry, scaly skin

67
Q

Tx of erythema nodosum

A

Nothing

68
Q

Features of shingles

A

Burning pain
Macular rash
Vesicular

69
Q

Rapid growth, red, dome, central defect containing keratinous material

A

Keratoacanthoma

70
Q

Light that causes squamous cell cancer

A

UVA

71
Q

Cancer most likely developed with immune suppression

A

SCC

72
Q

Types of contact dermatitis

A

Irritant- usually acids/alkalis

Allergic-hair dyes, weeping eczema- type 4

73
Q

Vasculitic rash

A

Purpura- flat red blotches looking like bruises
and blistering

74
Q

Pustules and nodules in nack and axilla, swollen, yellow discharge

A

Hirdradenitis suppurativa

75
Q

Hari loss, broken exclamation mark hairs

A

Alopecia areata

76
Q

Mx of SJS/TEN

A

ICU

77
Q

Main use o antiviral in older people

A

Reduce incidence of post herpetic neuralgia

78
Q

Pompholyx eczema

A

High humidity
Vesicle eruptions
Palms

79
Q

Lentigo maligns features

A

Chronic sun exposed areas- face
Older people
Slow

80
Q

Atheltes foot tx

A

Topical anti fungal 4 weeks
If not working- oral anti fungal

81
Q

When is breslow depth a poor prognosis

A

> 4mm- 5year survival 50%

82
Q

Most aggressive melanoma

A

Nodular

83
Q

Tingling when eating apples, kiwis ect

A

Oral allergy syndrome

84
Q

Vitiligo vs versicoloured

A

Vitiligo affects peripheries and is more confluent

85
Q

Pityriasis rosea tx

A

Self limiting

86
Q

Tx of tinea

A

Topical antifungal
Oral antifungal when severe or if capitus

87
Q

Aktinic keratoses and Immunosuppressed

A

2ww Derm referral

88
Q

Bullous pemphigoid vs pemphigus vulgaris

A

Mucosal- vulgaris
Non- pemphigoid

89
Q

When should superficial burns be referred to secondary care

A

> 3% body surface area

90
Q

Malignancy causing acanthuses nigricans

A

gastric adenocarcinoma

91
Q

Causes of erythema multiforme

A

Same as SJS but no pheytoin
Plus COCP

92
Q

What is erythroderma

A

> 95% skin is involved in a rash

93
Q

Solitary firm nodule that dimples on pinching

A

Dermatofibroma

94
Q

Urticaria management

A

Non sedating AH
Oral pred- severe or resistant

95
Q

What tool most accurately measures burn area

A

Lund and Browder chart

96
Q

Drugs causing erythema nodosum

A

Penicillins
Sulphalazine
COCP

97
Q

Tx of keratoancanthoma

A

Usually regress in 3 months with scar
But can excise out of caution as looks like SCC

98
Q

Pityriasis versicoloured tx

A

Topical ketoconazole

99
Q

Impetigo but HPO didn’t help last time

A

Give fusidic acid topically

100
Q

Nail changes with psoriasis

A

POSH
Pitting
Onchylysis
Subunal hyperkeratosis

101
Q

Smooth, rubbery, mobile mass

A

Lipoma

102
Q

When to US a lipoma

A

When >5cm

103
Q

Tx of telang in acne roses

A

Laser

Year 6 (28 decks)

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