The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. If the surface of the lesion is smooth, it may be a septic granuloma or other skin swelling. It is recommended to seek medical attention promptly and perform pathological examination after surgical removal to clarify the diagnosis and then develop further treatment plans. Avoid picking and scratching and stimulation. If the rash appears to increase in size, ooze or break out suddenly, it is recommended to have it surgically removed in time to avoid adverse changes, and it is best to have the rash on the head surgically removed by neurosurgery.