1、2.Etiology,unclear(1)smoking(2)drinking(3)air containtment(4)virus infection HPV(5)hormone(6)pre-malignant leisions(癌前病变)papilloma of the larynx(喉乳头状瘤)leukoplakia of the larynx(喉白班病)正正 常常 喉喉 部部Multiple papillomas of the larynxPapillomatosis of the larynxPapilloma of the larynxPapilloma of the larynx
2、 and tracheaLeukoplakia with dysplasia of the vocal cords Chronic parakeratotic laryngitis Carcinoma of the epiglottisAdvanced squamous cell carcinoma of the larynxCarcinoma in situ of the left vocal cordCarcinoma of the anterior glottisSquamous cell carcinoma of thearyepiglottic fold and piriform sinusp 经常不断地学习,你就什么都知道。你知道得越多,你就越有力量p Study Constantly,And You Will Know Everything.The More You Know,The More Powerful You Will Be写在最后感谢聆听不足之处请大家批评指导Please Criticize And Guide The Shortcomings结束语讲师：XXXXXX XX年XX月XX日
