Dermatology

Question 1

Most common cancer in the Western world

Answer 1

Basal cell carcinoma

Question 2

Which protein is affected in atopic eczema?

Answer 2

Filaggrin

Question 3

Where is atopic eczema common on the body of adults?

Answer 3

Flexor aspects of limbs

Question 4

Atopic eczema management

Answer 4

Avoid exacerbations
Emollients
Topical steroids (or tacrolimus) for flare-up
Oral antihistamines
Abx or aciclovir for secondary infections
Immunosuppressants

Question 5

Which eczema affects the hands and what precipitates it?

Answer 5

Pompholyx (dishydrotic eczema)

Sweating and high temperatures

Question 6

Where is seborrheic dermatitis (eczema) commonly found and what is it caused by?

Answer 6

Scalp

Malassezia furfur

Question 7

Seborrheic dermatitis associated conditions

Answer 7

HIV
Parkinson’s

Question 8

Seborrheic dermatitis management

Answer 8

1) Shampoo with zinc pyrithione e.g. T/Gel
2) Ketoconazole

Question 9

Which sebaceous cyst derives fom the outer root sheath of the hair follicle?

Answer 9

Pilar cyst

Question 10

Skin condition with target lesions and its most common cause

Answer 10

Erythema multiforme

HSV

Question 11

What does erythema multiforme major involve?

Answer 11

Mucosal surfaces

Question 12

Lipoma is a benign tumour of what?

Answer 12

Adipocytes

Question 13

Most common type of melanoma

Answer 13

Superficial spreading - common in young people

Question 14

Melanoma mainly affecting older peopl

Answer 14

Lentigo maligna

Question 15

Treatment and school exclusion time for molluscum contagiosum

Answer 15

No treatment - piercing or crytherapy if troublesome
No exclusion

Question 16

Molluscum contagiosum resolution time

Answer 16

Self-limiting
Resolved in 18 months

Question 17

Indications for molluscum contagiosum referral?

Answer 17

HIV
Eye involvement
Ano-genital involvement

Question 18

Which score assesses risk of pressure sore?

Answer 18

Waterlow score

Question 19

If someone has a pressure sore at home, who would be first to assess them?

Answer 19

District nurse

Question 20

Which parts of the body does plaque psoriasis affect?

Answer 20

Scalp
Extensor surfaces
Sacrum

Question 21

How is flexural psoriasis different in texture to plaque?

Answer 21

Flexural is smooth

Question 22

What is guttate psoriasis triggered by?

Answer 22

Streptococcal infection
(appears 1-2 weeks after)

Question 23

Where does pustular psoriasis appear on the body?

Answer 23

Palms and soles

Question 24

Does guttate psoriasis resolve?

Answer 24

Yes within 2-3 months

Question 25

Psoriasis management

Answer 25

Strong topical corticosteroid + vitamin D analogue
Just the steroid in other psoriasis

Increase to twice daily if not working

Can consider phototherapy for extensive disease
Oral therapies include ciclosporin

Question 26

Most common type of psoriasis

Answer 26

Plaque

Question 27

Nail changes in psoriasis (affect 50% of patients)

Answer 27

Pitting
Onycholysis

Question 28

Cancer that looks like rapidly expanding painless, ulcerate nodules?

Answer 28

Squamous cell carcinoma

Question 29

Examples of non-sedating antihistamines

Answer 29

Second-generation e.g. loratidine, cetirizine, fexofenadine

Question 30

Condition that is a precursor to squamous celll carcinoma, common in elderly patients

Answer 30

Bowen’s disease

Question 31

Bowen’s disease management

Answer 31

Topical 5-fluorouracil
Cryotherapy
Excision

Question 32

Rosacea mx

Answer 32

1 (flushing) - Topical brimonidine
2 (pustules) - Topical ivermectin
3 (severe pustules) - Topical ivermectin + oral doxycycline

Question 33

Acne management

Answer 33

1) Single topical therapy e.g. topical retinoids, benzyl peroxide
2) Combination topical therapy e.g. addition of topical antibiotic
3) Oral antibiotics e.g. lymecycline - COCP alternative in women
4) Oral isotretinoin