Earlier blaze comes for fingernail more coin is big, intimate circle, elliptic or irregular form, spot of the impair the excellence of that order state is when also having a disease, the state is much more apparent; Some brims are circled take with pigment. Hairiness bursa sex is mixed to nod shape pigment hyperplasia in the blaze below a few circumstance, latter but grow in quantity, expand and mutual confluence becomes islands state, blaze place is taken off except pigment outside breaking, affected part does not have atrophy or take off bits change, the hair on blaze can lose pigment down to to bleach completely, also have hair one by one long changeless person.
The amount of blaze is indeterminate, but body of bureau be confined to some ministry or distributing in some nerve section (or leather section) , the person that blaze proper motion disappears is few. Most case of illness often is added gradually expand more, the blaze of photograph adjacent but mutual and shirt-sleeve and become repeatedly irregular big, extensive sends the whole body, be like map shape; Sometimes normal skin remain is in blaze, as a result is regarded as pigment by accident ad cool-headed, be like: Happen at facial, often be Huang Heban by accident.
The brim of a little new hoar spot has wine of sex of inflammation of ridgy of an in a way, can count Zhou Zhijiu continuously, symptom of consciousness of much lack of this kind of inchoate change, so easily oversight; Ambiguous to border and the earlier blaze of colorless element hyperplasia, identify in time hard sometimes. Pigment takes off the level that break because of the person different, and different human body differs as place and have a difference, make also can differ because of decolour degree and show in same position already different and tonal, its are tonal can reach 3 kinds more, namely from inside and the lubricious reaction that appearance is white, ashen, close normal color of skin now; Some is completely whiten, all round the skin is small red (the blood-vessel that is dermal tit layer sees fully) or show hoar, these expression can help observation black element generate roughly reach its pare level.