What are the types of vitiligo?

Vitiligo is divided into two types and two stages. In my new theory of vitiligo, I wrote: (1) type II common type and segmental type1,common type: divided into localized, sporadic, generalized and acromegaly. (1) Limitation: Single or clustered white spots with different sizes confined to a certain part. (2) Sporadic type: scattered in multiple white spots, which can occur in any part of the whole body, and the total area does not exceed 50% of the body surface area. (3) Universal hair type: leukoplakia accounts for more than 50% of the total body surface area, which is mostly developed from long-term illness. (4) Periarthritis of shoulder: At the initial stage, leukoplakia mainly distributed in the toes of hands, feet, toes, head and face. 2. Segmental type: leukoplakia runs along the skin area of a certain cutaneous ganglion segment and is generally distributed unilaterally. (2) Class Ⅱ complete leukoplakia and incomplete leukoplakia 1. Complete leukoplakia: pure white or china white, with melanin disappearing and no pigment regeneration. 2. Incomplete leukoplakia: There are fewer melanocytes in the leukoplakia area. Because some melanocytes still exist, melanocytes can be seen in the white spot area. (3) The second phase of the ongoing phase and the stable phase is 1. Progressive stage: leukoplakia gradually increased, and the original leukoplakia gradually migrated to normal skin, with blurred boundaries. 2. Stable phase: the development of leukoplakia stops, the boundary is clear, and the melanin at the edge of leukoplakia deepens.