derm

Question 1

First line for severe rosacea?

Answer 1

Topical ivermectin + oral doxycycline

Question 2

Rapidly growing, benign skin lesions that often appear as red papules and then develop into a crater filled with keratinous material?

Answer 2

Keratocanthoma

Question 3

Well-circumscribed, waxy or greasy plaques with a ‘stuck-on’ appearance?

Answer 3

Seb keratosis

Question 4

Which drug can exacerbate plaque psoriasis?

Answer 4

Beta blockers

Question 5

Papular, polygonal, violaceous, flat-topped rash is present on the palms, in her elbow creases and on the soles of her feet? Rx?

Answer 5

Lichen planus - topical clobetasol

Question 6

What demographic of patients have a higher susceptibility to keloid scarring?

Answer 6

Young black people

Question 7

Renal transplant patients - commonest skin cancer?

Answer 7

Squamous cell cancer

Question 8

First line for pyoderma gang?

Answer 8

Oral steroids

Question 9

Hereditary haemorrhagic telangiectasia inheritance?

Answer 9

Autosomal dominant

Question 10

Pityriasis versicolor rx?

Answer 10

Topical ketocanzole

Question 11

Which virus plays a part in pityriasis rosea? Presentation of PR?

Answer 11

HH7 - herald patch and similar oval patches

Question 12

On examination around 10 lesions are seen; they are raised, around 1-2mm in diameter and have an umbilicated appearance?

Answer 12

Molluscum

Question 13

Causes of hypertrichosis?

Answer 13

Ciclosporin

Question 14

Commonest site for keloid scars?

Answer 14

Sternum

Question 15

Large, flat, symmetrical, brown-pigmented patch across cheeks, forehead, nose and upper lip?

Answer 15

Melasma

Question 16

A non-healing painless ulcer associated with a chronic scar is indicative of?

Answer 16

Squamous cell carcinoma (SCC)

Question 17

Pellagra is due to deficiency in what?

Answer 17

B3

Question 18

Eruption started as a small erythematous annular patch, slowly enlarging into polycyclic patches with a wood-grain appearance?

Answer 18

Erythema gyratum repens

Question 19

Flexural psoriasis?

Answer 19

Topical steroid

Question 20

Blisters, onycholysis, hyperpigmentation and hypertrichosis - b/g of Hep C?

Answer 20

Porphyria cutanea tarda

Question 21

Investigation for dermatitis herpetiformis?

Answer 21

Skin biopsy

Question 22

First line for plaque psoriasis?

Answer 22

Topical vit D analogue + steroid

Question 23

Acne vulgaris in pregnancy?

Answer 23

Oral erythromycin

Question 24

Pompholyx eczema may be precipitated by?

Answer 24

Humidity

Question 25

Management of SCC on lip?

Answer 25

Mohs surgery

Question 26

On examination there are a number of 3-4 mm smooth, firm, papules which are hyperpigmented and centrally depressed. What is the most likely diagnosis? B/G T2DM

Answer 26

Granuloma annulare

Question 27

Erythema nodosum - 2 commonest causes?

Answer 27

Sarcoid and TB

Question 28

Common complications of seborrhoeic dermatitis?

Answer 28

OE and blepharitis

Question 29

Peri-umbilical blistering in pregnancy?

Answer 29

Pemphigoid gestationis

Question 30

Venous ulcer investigation?

Answer 30

ABPI

Question 31

Dementia, diarrhoea, dermatitis?

Answer 31

Niacin def

Question 32

Which abx most associated with SJS?

Answer 32

Cotrim

Question 33

Antibodies in pemph vulgaris?

Answer 33

Antibodies against desmoglein 3

Question 34

Orange peel shin lesions?

Answer 34

Pretibial myxoedema

Question 35

Necrolytic migratory erythema (NME) is a rare skin condition that is most commonly associated with?

Answer 35

Glucagonoma

Question 36

Systemic mastocytosis diagnostic test?

Answer 36

Urinary histamine - stem will mention urticarial skin lesions

Question 37

Eczema herpeticum is a primary infection of the skin caused by herpes simplex virus (HSV) and which types?

Answer 37

HSV I + II

Question 38

Irreversible skin pigmentation in acne?

Answer 38

Minocycline

Question 39

Eczema stepwise management?

Answer 39

Mild - hydrocortisone 1 Moderate - clobetasone 0.05 Severe - betamethasone 0.1 Potent - clobetasol 0.05

Question 40

Pigmentation of nail bed affecting proximal nail fold suggests melanoma (Hutchinson's sign) - type of melanoma?

Answer 40

Acral lentiginous melanoma

Question 41

Eczema herpeticum causes?

Answer 41

Coxsackie and HSV

Question 42

HH7 association?

Answer 42

Pity rosea

Question 43

Complication of carbamazepine use?

Answer 43

Erythema multiforme

Question 44

How quickly does erythema nodosum heal?

Answer 44

1-2 months without scarring