Objective:To establish an animal model of oral lichen planus (OLP).

前言：目的：建立口腔扁平苔藓（OLP） 组织移植动物模型。

Methods 30 OLP cases and 30 health cases as control group were selected for the study.

方法选择口腔扁平苔藓（OLP）患者、健康对照者各30例。

The abnormal expressions of human leukocyte antigen-DR (HLA-DR) in keratinocytes (KC) within lesions of 60 patients with OLP were detected by immunohistochemical SP method before and after treatment.

采用SP法检测6 0例OLP治疗前后病损区角朊细胞（KC）异常表达人白细胞分化抗原DR区（HLADR）抗原的情况。