Dermatology

Question 1

Rash in lyme disease

Answer 1

Erythema chronicum migrans

Question 2

Flat, non painful rash of red rings with creeping borders, seen in rheumatic fever

Answer 2

Erythema marginatum

Question 3

Minor, symmetrical target shape lesions and major vesicular/bullous lesions

Answer 3

Erythema multiforme

Question 4

Causes of erythema multiforme

Answer 4

Idiopathic
Infections
Drugs

Question 5

Diagnostic criteria for Kawasaki

Answer 5

At least 5 days fever
Plus 4 of the following:
- Polymorphous rash
- Cervical lymphadenopathy
- Mucosal involvement
- Erythema + oedema of fingertips and toes with desquamation at 10d
- Non suppurative conjunctivitis

Question 6

Treatment of choice for staphylococcal scalded skin

Answer 6

Flucloxacillin

Question 7

Presents with painless blisters at sites of friction

Answer 7

Epidermolysis bullosa simplex

Question 8

Presents at birth with widespread blistering and areas of missing skin

Answer 8

Dystrophic epidermolysis bullosa

Question 9

Associated with SJS

Answer 9

Sulphonamides
Herpes simplex
Ibuprofen
Streptococcal sore throat

Question 10

Treatment for cradle cap

Answer 10

Steroid and antiseptic cream

Question 11

Associated with cafe au lait spots

Answer 11

Neurofibromatosis
Tuberous sclerosis
Turner's syndrome
Russell-Silver
McCune-Albright
Fanconi's anaemia
Bloom's syndrome

Question 12

Salmon pink rash which varies in intensity with the temperature, can be accompanied with hepatosplenomegaly/lymphadenopathy

Answer 12

Juvenile idiopathic arthritis

Question 13

Abscess of several adjacent hair follicles

Answer 13

Carbuncle

Question 14

Hypertrophy of bone or soft tissue with an overlying port wine stain

Answer 14

Klippel-Trenauny

Question 15

Hypopigmented linear lesions, seizures, learning problems, microcephaly, scoliosis, abnormal limbs, eye defects, congenital heart disease

Answer 15

Hypomelanosis of Ito

Question 16

Hypopigmented areas and a white forelock

Answer 16

Partial albinism aka piebaldism