For medical education- NSFE. A method to remove a large seborrheic keratosis on the skin is to first numb the area with local anesthetic and then use a curette to essentially scrape the growth off. source
Treatment of seborrheic keratoses by gentle thermocoagulation. Seborrheic keratosis is a common skin growth. It may look worrisome, but it is benign (not cancer). These growths often appear in middle-aged and older adults. They are not contagious. source
Seborrheic keratosis are very common on the back and stomach. They appear as waxy light tan, brown or black growths that look as if they were dripped onto the skin by a candle. source