Seborrheic keratosis

Question 1

What is a seborrheic keratosis

Answer 1

Benign growth on the skin

Question 2

Seborrheic keratosis presentation

Answer 2

Typically >40 yrs old
Very well demarcated lesion on skin, often pigmented but not always (stuck-on appearance)
Mainly on trunk but can appear anywhere
May be itchy and can catch on clothing and bleed
May be surrounding inflammation

Question 3

Seborrheic keratosis differentials

Answer 3

Malignant melanoma, pigmented basal cell carcinoma, squamous cell carcinoma

Question 4

Seborrheic keratosis causes

Answer 4

Proliferation of the basal layer of the epidermis

Question 5

Seborrheic keratosis management

Answer 5

Reassurance, don’t need to do anything

Can have superficial cryotherapy