Seborrheic keratosis is a noncancerous (benign) skin growth that often appears as a brown, scaly patch on the face, scalp, chest, or back. They can be mistaken for other skin conditions such as skin cancer, so it is best to have any new or changing growths checked by a dermatologist.
They are usually asymptomatic, but can become itchy or irritated. They are typically seen as one ages and are far more common in older adults and those with a family history of the condition.
They do not need any treatment for medical reasons but some people wish to have them removed for cosmetic reasons or if they are catching on clothing. Treatment options include freezing therapy (cryotherapy) or curettage..