Dermatology

Question 1

What test aids with diagnosis of allergic dermatitis?

Answer 1

Skin patch testing

Question 2

What test aids with diagnosis of food, latex, hay fever and other allergies?

Answer 2

Skin prick testing

Question 3

Rash associated with Coeliac disease?

Answer 3

Dermatitis herpetiformis

Question 4

Skin manifestation associated with Crohns disease?

Answer 4

Pyoderma gangrenosum

Question 5

Treatment for dermatophyte fungal nail infection?

Answer 5

1. Self care measures
2. Topical amorlfine 5% nail lacquer
3. Oral terbinifine

Question 6

Treatment for Candida fungal nail infection?

Answer 6

1. Self care measures
2. Topical amorlfine 5% nail lacquer
3. Oral itraconazole

Question 7

Skin manifestation associated with GI malignancies?

Answer 7

Acanthosis nigricans

Question 8

Treatment for bullous pemphigoid?

Answer 8

Oral corticosteroids

Question 9

Pathophysiology of bullous pemphigoid?

Answer 9

Antibodies against hemidesmosomal proteins BP180 & BP230

Question 10

What else is acanthosis nigricans associated with?

Answer 10

Hyperinsulinaemia (DM; PCOS)
Acromegaly
Cushings
Hypothyroidism
Drugs

Question 11

Treatment of seborrhoeic dermatitis?

Answer 11

Topical imidazole eg ketoconazole, clotrimazole, econazole, miconazole.

Question 12

Treatment of lichen planus?

Answer 12

Topical steroid (clobetasone butyrate)

Question 13

Presentation of lichen planus?

Answer 13

Remember P for Planus:
Purple
Pruritic
Papular 
Polygonal
rash of flexor surfaces
OFTEN WITH ORAL/MUCOSAL involvement

Question 14

What conditions is pyoderma gangrenosum associated with?

Answer 14

IBD
RA & SLE
Idiopathic in 50%
(also leukaemia/lymphoma, myeloproliferative disorders, monoclonal gammopathy (IgG) and primary biliary cirrhosis)

Question 15

What is eczema herpetiform and how is it treated?

Answer 15

Severe primary skin infection caused by HSV 1 or 2.

Admit to hospital for IV antivirals