Small lesions can be treated with light electrocautery. Larger lesions can be treated with electrodesiccation and curettage, shave excision, or cryosurgery. When correctly performed, removal of seborrheic keratoses will not cause much visible scarring except in persons with dark skin tones. Also, cryotherapy is a technique based on freezing the seborrheic keratosis growths with liquid nitrogen.
No treatment of seborrheic keratoses is necessary, except for esthetic reasons.Since a slightly increased risk of localized infection caused by picking at the lesion has been described, if a lesion becomes itchy or irritated by clothing or jewelry, a surgical excision is generally recommended. Statistics between 31% and 56% Seborrheic keratoseson exposed areas were more often flat and more than 3 mm in diameter than those on the non-exposed areas.
Seborrheic keratosis is one of the most common noncancerous skin growths in older adults. Seborrheic keratoses are normally painless and require no treatment. You may decide, however, to have them removed if they become irritated by clothing or for cosmetic reasons.