Only 1 study (meta-analysis) examined the percentage of malignant transformation and found a rate between 0.025% and 20% per year/ National Institutes of Health (.gov) Seborrheic keratosis - Symptoms & causes - Mayo Clinic
: They look like they were dripped onto the skin like candle wax and could be easily scraped off. Waxy/Greasy Texture : Surface often feels waxy or scaly. keratosis
Actinic keratosis: how to differentiate the good from the bad ones? Only 1 study (meta-analysis) examined the percentage of