Dermatology

Question 1

What has a “stuck-on” appearance?

Answer 1

Basal cell papilloma (seborrhoeic keratosis)

Question 2

Picket fence pearly border?

Answer 2

Basal cell carcinoma

Question 3

What causes Dermatitis herpetiformis?

Answer 3

Coeliac disease

Question 4

What causes Erythema nodosum? (3)

Answer 4

Commonly sarcoidosis, also UC and TB

Question 5

What causes erythematous Bullseye lesion (erythema migrans)?

Answer 5

Lyme disease

Question 6

What causes ash leaf spots/ Shagreen patches?

Answer 6

Tuberous sclerosis

Question 7

What causes honey coloured crust?

Answer 7

Impetigo (caused by staph or group A haemolytic strep)

Question 8

What causes cafe au lait spots?

Answer 8

Neurofibromatosis Tye 1 and 2

Question 9

What causes silver scales on extensor surfaces?

Answer 9

Psoriasis

Question 10

What has a cauliflower appearance?

Answer 10

Plantar wart (veruca)

Question 11

What type of patients get Kaposki’s sarcoma?

Answer 11

Immunosuppressed patients e.g. transplant/ HIV patients

Question 12

What causes intense erythema on the cheeks (and proximal limbs) of a child?

Answer 12

Slapped cheek

Question 13

What virus causes slapped cheek?

Answer 13

Parvovirus B19

Question 14

What causes small, umbilicated, translucent papules that look fluid-filled but are solid?

Answer 14

Molluscum contagiosum

Question 15

What causes flaccid blisters that can be burst easily to form erythematous erosions?

Answer 15

Pemphigus vulgaris

Question 16

What causes large tense bullae that are itchy and cannot be burst?

Answer 16

Bullous pemphigoid

Question 17

What causes the heliotrope rash with scaly knuckles?

Answer 17

Dermatomyositis

Question 18

What causes fish scale skin?

Answer 18

Ichthyosis

Question 19

What causes velvety thickened lesions in axillae?

Answer 19

Acanthosis nigricans

Question 20

What causes target lesions?

Answer 20

Erythema multiforme