Keratoacanthoma refers to Keratoacanthoma in medicine, Keratoacanthoma may be caused by ultraviolet ray injury, immune disorder, the patient’s skin may appear pimples, pressure and pain, etc. It can be treated with topical 5% imiquimod cream, or carbon dioxide laser, liquid nitrogen freezing, photodynamic therapy and surgery. 1. Keratoacanthoma is a rare and fast-growing benign tumor of the skin, which may be caused by ultraviolet damage, immune disorders, exposure to chemicals, viral infections and other factors, the patient’s skin may appear pimples, pressure and pain and other symptoms, and a small number of patients will also have itchy sensation. 2. Patients can use 5% imiquimod cream externally, carbon dioxide laser, liquid nitrogen cryotherapy, photodynamic therapy, and surgery to remove the lesions, and the excised lesions should also be examined pathologically. If the lesions are large or multiple foci are present, radiation therapy may also be performed to accelerate the regression of the lesions. In addition, in a small number of patients, keratoacanthomas may regress on their own. If you are suffering from Keratoacanthoma, there is no need to be overly nervous, it is recommended to go to the hospital and follow the doctor’s instructions for standardized treatment.