Dermatology

Question 1

Difference between actinic and seborrhic keratosis

Answer 1

Actinic is pre malignant

Seborrhic is entirely benign

Question 2

Causes of intense itching that need to be excluded

Answer 2

Anaemia
Hypothyroidism
Uncontrolled diabetes
Lymphoma

Question 3

2 emergencies in psoriasis

Answer 3

1. pustular psoriasis

2. erythroderma

Question 4

Why must eczema herpaticum be urgently treated

Answer 4

Risk of corneal ulceration

Question 5

Features of eczema herpaticum

Answer 5

” Areas of rapidly worsening painful eczema
“ Clustered blisters consistent with early stage cold sores
“ Punched out erosion (circular, depression, ulcerated lesions)
“ Possible fever
“ Typically on head & neck

Question 6

Indications for patch testing

Answer 6

To diagnose allergic dermatitis

When pt presents with rashes on hands, face, neck

Question 7

When someone is allergic to hair dye, what else will they also be allergic to

Answer 7

Henna

Question 8

When is phototherapy indicated

Answer 8

STABLE eczema and psoriasis

Question 9

Is UVB or UVA phototherapy offered to patients first

Answer 9

UVB

Does not increase risk of skin cancer (but may relapse faster)