Extremity leukoplakia, also known as extremity vitiligo. Vitiligo can be divided into common type and segmental type. The actual fact is that you will find a lot of people who are not able to get a good deal of money. Because the pigment distribution is related to the local blood circulation endings are not good, so there is nothing too good in treatment. It should generally be controlled as early as possible, for the prognosis of recovery is generally better. Therefore, you should go to the dermatology department of a regular hospital as soon as possible after the disease is diagnosed and treated.