Seborrhoeic keratoses

Question 1

Define Seborrhoeic keratoses

Answer 1

Benign, warty, epidermal benign growths that occur with skin aging

Question 2

Aetiology and risk factors of Seborrhoeic keratoses

Answer 2

Hyperkeratosis + acanthosis + hyperplasia of basal cells

RF:
Sun exposure
Fitzpatrick skin type I/II
FHx
Older age

Question 3

Symptoms and signs of seborrhoeic keratoses

Answer 3

Warty plaque with a fissured keratin surface
Anywhere but palms, soles and mucous membranes
Yellow/light brown/dark brown
Slightly raised
Painless
± pruritus

Question 4

What does the sudden appearance of multiple seborrhoeic keratoses suggests

Answer 4

Leser-Trelat sign(? underlying malignancy)

Question 5

Management for seborrhoeic keratoses

Answer 5

Itching → topical steroids e.g. betamethasone
Cryotherapy
Curettage
Laser ablation

Question 6

Prognosis for seborrhoeic keratoses

Answer 6

Patients who elect for treatment are likely to see good results.