从皮损面积上看，只有白斑面积超过体表一半以上的白癜风症状才能被称为泛发型白癜风。发病面积大是泛发型白癜风最主要的特点。白斑会出现链接成片的情况。泛发型白癜风不仅单个白斑的面积非常大，而且随着疾病的发展，挨得比较近的白斑就会出现相互融合在一起的症状，形成大面积的褪色块，严重的时候就只能看见零星正常的皮肤散落于白斑之中，那时候的皮肤景象是极为难看的。
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郑州西京白癜风医院-巫文-副主任医师-皮肤科-什么是泛发型白癜风
