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材料和方法作者将参与本研究的患者分3组。第1组,13名口腔扁平苔藓患者的选择标准为:(1)有典型临床表现,(2)活检有扁平苔藓特异表现,即粘膜轻度增厚及明显的带状上皮下淋巴样细胞浸润区,淋巴细胞外渗,上皮基层变性。第2组为10名口腔角化症(白斑)患者,无上皮异常增殖,全部为吸烟者。受累的口腔粘膜呈现典型白斑临床表现。活检标本见固有层角化及轻度炎性浸润,无上皮异常增殖。第3组7人,为白斑合并扁平苔藓患者,所有患者均吸烟。扁平苔藓
Materials and Methods The authors divided the patients in this study into three groups. The first group, 13 patients with oral lichen planus selection criteria: (1) have a typical clinical manifestations, (2) the biopsy with lichen planus specific performance, that is, mild mucosal thickening and significant ribbon-shaped subepithelial lymphoid infiltration District, lymphocyte extravasation, epithelial degeneration. The second group consisted of 10 patients with oral keratosis (leukoplakia) without epithelial dysplasia, all of whom were smokers. The affected oral mucosa presents the typical clinical manifestations of leukoplakia. Biopsy specimens see keratinization of the lamina propria and mild inflammatory infiltration, no epithelial abnormal proliferation. Group 3, 7 patients with white patches and lichen planus, all patients were smoking. Lichen planus