鼻咽癌是发生于鼻咽黏膜的恶性肿瘤。中国的广东、广西、湖南等地为高发地区,男性于女性。发病年龄大多为中年人,亦有青少年患病者。病因与种族易感性(黄种人较白种人患病多)、遗传因素及EB病毒感染等有关。鼻咽癌是一种侵入性很强的肿瘤,并且生长位置很特别,肿瘤周边重要组织多,例如:垂体,脑干、视神经、海绵窦、滑车神经、动眼神经、外展神经、听神经等,所以临床上对于手术治疗鼻咽癌制造了很大难度。鼻咽癌对于放射治疗非常敏感,所以大多数 Nasopharyngeal carcinoma is a malignant tumor that occurs in the nasopharyngeal mucosa. China's Guangdong, Guangxi, Hunan and other places for the areas of high incidence, men in women. Age of onset are mostly middle-aged people, but also young patients. Etiology and racial predisposition (yellow more than white people more sick), genetic factors and EB virus infection and so on. Nasopharyngeal carcinoma is a highly invasive tumor, and the growth position is very special, the tumor around the more important organizations, such as: pituitary, brain stem, optic nerve, cavernous sinus, trochlear nerve, oculomotor nerve, abducens nerve, auditory nerve , So for the surgical treatment of nasopharyngeal carcinoma made a great deal of difficulty. Nasopharyngeal carcinoma is very sensitive to radiation therapy, so most