Seborrhoeic Keratosis Removal
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What are Seborrhoeic Keratosis?
Seborrhoeic Keratosis are raised warty non-cancerous growths of the surface layers of the skin, called the epidermis. They vary in colour from light brown to dark brown and often have roughened warty surface. Sometimes they look as though they have been “stuck on” the top of the skin. The most common sites to develop Seborrhoeic Keratosis are the face, scalp, chest and back. Almost one in five people aged over 60 years will develop one or more lesions, and some patients have in excess of 50 lesions on their upper body. Other names used to describe these growths include Seborrhoeic Warts and Basal Cell Papillomas. They often develop alongside small red vascular growths of the skin on the trunk called ‘Campbell de Morgan’ spots.
Why do they develop?
We do not know why Seborrhoeic Keratosis develop. However, they are often seen to be inherited in families and usually occur with advancing age. It is unusual to see new Seborrhoeic Keratosis before the age of 40 years. It is sometimes worth asking your parents or siblings to see if anyone else has any in the family.
What harm do they cause?
Seborrhoeic Keratosis never develop into skin cancers, are completely harmless and not contagious. They may itch and irritate but this will normally settle down with time. They do sometimes cause embarrassment particularly if they occur at cosmetically sensitive sites such as the face or neck. Larger ones may catch on clothing.
Do they need to be treated?
No, they do not require any treatments unless they cause symptoms. Any itching or irritation may be relieved by simple moisturisers such as E45 cream or Vaseline Intensive Care Lotion purchased from the chemist. If you have persistently itchy Seborrhoeic Keratosis, it may be worth asking your doctor ro prescribe a cream containing a substance called Urea and a mild topical steroid (Calmurid HC cream).
Under what circumstances will my NHS doctor consider treatment?
In exceptional circumstances, your GP may suggest treatment for troublesome skin lesions that bleed, catch or cause intense irritation. Cosmetic treatment of multiple lesions is not usually considered possible in the NHS.
What self-funded treaments are effective?
Treatments that destroy the surface layers of the skin are most effective. This includes freezing (cryotherapy), curettage and cautery (scraping and burning), laster therapy. Creams will not remove Seborrhoeic Keratosis but may help to soften them. Thin lesions respond best to cryotherapy but thick warty lesions are best treated by scraping them off under local anaesthesia using a sharp instrument called a curette. The base is then treated with cautery to stop the bleeding. It usually takes 2-6 weeks for treated skin areas to completely settle down after such treatments. Occasionally, treatment may produce a small white scar.