derm

Question 1

what blood test should be done in alopecia

Answer 1

TFTs - screen for other autoimmune conditions

Question 2

salmon patch vs port wine stain

Answer 2

salmon patch - small, flat patches or pink or red skin with poorly defined borders, typically resolve by 18 months
port wine stain - capillary malformations that persist throughout life

Question 3

nail changes of psoriatic arthritis

Answer 3

pitting

onycholysis

Question 4

features of pityriasis rosea

Answer 4

herald patch (i.e. one rash that occurs followed by more)
may follow recent viral infection
it is self-limiting

Question 5

mx of prominent telangiectasia in acne rosacea

Answer 5

laser therapy

Question 6

what is oral terbinafine used for

Answer 6

onychomycosis - dermatophyte (fungal) nail infections

Question 7

causes of spider naevi

Answer 7

liver disease
pregnancy
COCP

Question 8

what infections can cause erythema nodosum

Answer 8

TB

streptococci

Question 9

what occurs if acne rosacea affects the eyes

Answer 9

blepharitis
keratitis
conjunctivitis

Question 10

in what type of burn are blisters seen

Answer 10

partial thickness (superficial dermal)

Question 11

exacerbating factors of psoriasis

Answer 11

BLANQ
Beta blockers
Lithium
Alcohol
NSAIDs
Quines

Question 12

when should IV fluids be given for burns

Answer 12

adults - partial or full thickness burns that cover >=15% of body surface area
children - burns that cover >=10% of BSA

Question 13

mx of guttate psoriasis

Answer 13

reassurance and topical treatment if symptomatic

Question 14

features of erysipelas

Answer 14

more superficial, limited version of celluliits
often has sharp well defined borders
caused by Streptococcus pyogenes

Question 15

long-term mx of psoriasis

Answer 15

vitamin D analogue, Calcipotriol

steroids should not be used long term

Question 16

features of eczema herpeticum

Answer 16

seen in children with atopic eczema
monomorphic punched-out circular, depressed, ulcerated lesions that are 1-3 mm in diameter
potentially life threatening

Question 17

features of pellagra

Answer 17

4 D's
Dermatitis
Diarrhoea
Dementia
Death

Question 18

facial seborrhoeic dermatitis vs acne rosacea

Answer 18

seb derm - greasy itchy rash covering face (incl. nasolabial folds) and scalp
Acne rosacea - pustules and telangiectasia are prominent

Question 19

mx of pyoderma gangrenosum

Answer 19

oral prednisolone (no matter how bad)

Question 20

which ABX are used for acne vulgaris

Answer 20

tetracyclines

Question 21

mx of bullus pemphigoid

Answer 21

oral corticosteroids

Question 22

features of nodular melanoma

Answer 22

red or black lump
oozes or bleeds
found on sun-exposed skin

Question 23

how to assess extent of burns

Answer 23

Wallace’s Rule of Nines - quick but not most accurate

Lund and Browder chart - most accurate

Question 24

most aggressive type of melanoma

Answer 24

nodular melanoma - invade aggressively and metastasise early

Question 25

mx of actinic keratoses

Answer 25

fluorouracil cream

topical diclofenac for mild AK

Question 26

mx of acne rosacea

Answer 26

mild/moderate: topical metronidazole

severe/resistant: oral tetracycline

Question 27

mx of seborrhoeic dermatitis

Answer 27

topical ketoconazole

Question 28

causes of acanthosis nigricans

Answer 28

T2DM
GI cancer
obesity
PCOS
acromegaly
Cushing's 
HYPOthyroidism
COCP

Question 29

derm condition associated w Parkinson’s

Answer 29

seborrhoeic dermatitis