You are wrong, this is not 白癜风 (vitiligo), it's IGH:

Idiopathic Guttate Hypomelanosis 

所有跟帖： 

• 中文是什么 -cleanclear- ♂ (0 bytes) () 05/22/2017 postreply 13:50:12

• 特发性斑状黑素过少症, -HenryLi- ♂ (0 bytes) () 05/22/2017 postreply 13:51:59

• 和白头发是不是相关？ -西海情哥- ♀ (0 bytes) () 05/22/2017 postreply 13:52:40

• NO -HenryLi- ♂ (0 bytes) () 05/22/2017 postreply 13:55:04

• 那帮我诊断下，我手臂上也有淡淡的白点，现在没图，太阳底下才看得见 -又见晨曦- ♀ (0 bytes) () 05/22/2017 postreply 13:54:48

• 李医生来了， -又当爹来又当妈- ♀ (235 bytes) () 05/22/2017 postreply 13:53:11

• Nothing to be worried. AS matter of fact it's quite common, part -HenryLi- ♂ (27 bytes) () 05/22/2017 postreply 13:54:44

• 老了不是一般黑斑吗，也有走另外一个方向？ -cleanclear- ♂ (0 bytes) () 05/22/2017 postreply 13:56:31

• 黑斑是晒的，老人斑也叫太阳斑 -西海情哥- ♀ (0 bytes) () 05/22/2017 postreply 13:58:11

• 要抹防晒霜，我现在才知道防晒霜的重要性 -又见晨曦- ♀ (0 bytes) () 05/22/2017 postreply 14:01:44