舌黏膜上的白色斑块，按其恶变倾向分为良性的白色角化症和恶变前期病变的白斑。口腔白斑的发生与烟、酒、慢性摩擦及喜吃烫、辣食物等嗜好及饮食习惯有关。白斑是一种口腔癌前病变，一般好发于40岁以上者。白斑转化为癌，一般常发生于出现白斑后2～4年，但恶性转化率似乎与患者的年龄无关，主要与局部是否继续受到物理化学刺激有关。男性多于女性。
舌白斑病 leukoplakia lingualis
口腔上皮(包括舌)白斑和其他障碍 Leukoplakia and other disturbances of oral epithelium, including tongue
例舌黏膜白斑 leukoplakia ; leukoplki
方法：应用免疫组织化学和聚合酶链反应—单链构象多态性分析（PCR-SSCP）检测10例舌白斑和32例舌癌，并结合临床资料进行分析。
Methods:Immunohistochemistry and PCR-SSCP were used to detect the expression of P53 protein and p53 gene mutation in 32 cases of TSCC and 10 cases of tongue leukoplakia.
免疫缺陷的宿主中口腔念珠菌病很普通，例如HIV 感染。见毛状舌胎，并有浅棕色渗出物，即毛状白斑舌。
Oral candidiasis is common in immunocompromised hosts, such as those with HIV infection. There is a hairy coating of the tongue seen here mixed with a pale tan exudate.
毛状白斑是发生于舌两侧边缘的白色或灰色的病变，病变也可延伸到舌腹部及舌背部，不能擦除。
Hairy leukoplakia are on both sides of the edge of the tongue occurred in the white or gray lesions, lesions can also be extended to the tongue and the tongue back, abdomen, should not erase.
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