鼻咽癌的发病率在我国的头颈部恶性肿瘤中占首位,并且早期容易被误诊,它在男性中的发病率高于女性,各个年龄段均可发病,但高发年龄为45～60岁。鼻咽癌的发病因素至今尚未完全明确,可能与EB病毒感染、遗传因素、进食腌制食物和居住受污染空气的环境等有关。鼻咽癌最常见的区域转移部位为颈淋巴结,远处转移的发生部位则依次为骨、 The incidence of nasopharyngeal carcinoma in China’s head and neck malignant tumors in the first place, and easily misdiagnosed early, it is higher in men than women, all ages can be disease, but the high incidence of 45 to 60 years of age . The pathogenesis of nasopharyngeal carcinoma has not yet been completely clear, may be related to Epstein-Barr virus infection, genetic factors, eating preserved food and live in contaminated air environment. The most common regional metastasis of nasopharyngeal carcinoma is cervical lymph node, distant metastasis of the site followed by bone,