NPC refers occurred in the top and lateral wall of the nasopharynx cancer. The proliferation of nasopharyngeal carcinoma in two aspects: ① violations of the skull base and this intracranial invasion, causing bone destruction, or pressure of neurosurgery, Ⅲ, Ⅳ, Ⅴ, Ⅵ the brain most common. ② extracranial extension will be a direct violation of our neighbours such as sinus cavity nasopharynx, oropharynx, parapharyngeal organizations, the pterygopalatine fossa, and even penetrated eyes. Nasopharyngeal carcinoma metastasis to lymph node metastasis in general mainly to reach deep cervical lymph nodes, neck, neck, supraclavicular lymph nodes, etc.. Early general found in patients with nasopharyngeal carcinoma, with the exception of a handful of occasional tinnitus, T blood, in general, asymptomatic. Nasopharyngeal carcinoma patients with the signs and symptoms of nasal obstruction, T blood, otitis media, tinnitus, vision loss, eye movement disorders outreach, diplopia, migraine, pain, fever, hoarseness, neck lymph nodes, as well as from distant metastasis caused by the corresponding symptoms.
