题目内容
黏膜白斑的特点是
2021-11-09
A.黏膜变性坏死，纤维瘢痕形成白色斑块
B.常发生在食管、口腔、子宫颈及外阴等处黏膜
C.主要病理改变是黏膜的鳞状上皮过度增生
D.增生和过度角化，并有一定的异型性
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