<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have noticed some changes on my skin. I have developed some skin moles and my skin has become very dry and scaly.  <response>: Based on your symptoms, it seems like you may have Actinic keratosis. This is a precancerous growth on the skin caused by sun damage. It can appear as rough, scaly patches or small, crusty bumps. 