Small lesions can be treated with light electrocautery. Larger lesions can be treated with electro desiccation 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.
Seborrheic keratosis is one of the most common noncancerous skin growths in older adults. These are normally painless and require no treatment, to have them removed if they become irritated by clothing or for cosmetic reasons. Cases are estimated to be 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.
A seborrheic keratosis usually appears as a brown, black or light tan growth on the face, chest, shoulders or back. The growth has a waxy, scaly, slightly elevated appearance. Occasionally, it appears singly, but multiple growths are more common. Seborrheic keratoses don't become cancerous, but they can look like skin cancer.