科学技术进步促进了头颈肿瘤外科的发展,综合治疗使患者的生存率有了明显提高,生存质量也有了显著的改善。1头颈肿瘤的发病机制同其他肿瘤一样,头颈肿瘤的发病机制尚难以断定,其发病机制研究主要集中在鼻咽癌和喉癌。由于头颈肿瘤具有癌前病变过程比较明确、症状出现较早、易于发现等特点,因此在不同时 Scientific and technological progress has promoted the development of head and neck cancer surgery, the comprehensive treatment of patients with significantly improved survival rate, quality of life has also been significantly improved. The pathogenesis of head and neck cancer, like other tumors, the pathogenesis of head and neck cancer is still difficult to conclude that the pathogenesis of the study focused on nasopharyngeal carcinoma and laryngeal cancer. Because head and neck cancer with precancerous lesions more clearly, the symptoms appear earlier, easy to find and so on, so at different times