由于鼻咽腔位置隐蔽深在,检查比较困难,少数病例颈淋巴结转移灶已很明显,但鼻咽腔肉眼检查见不到明显的原发灶,有的病例肉眼见到肿物,而因肿瘤位于粘膜下深层组织中,粘膜表面光滑完整,有炎性反应性粘膜增生,经多次活组织咬取检查,病理报告为炎性 Due to the deep concealment of the nasopharynx, examination is more difficult, a few cases of cervical lymph node metastasis has been very obvious, but the nasopharyngeal macroscopic examination can not see significant primary tumor, and some cases of macroscopic tumor, and because of tumor Located in the submucosal deep tissue, the mucosal surface is smooth and complete, there are inflammatory reactive mucosal hyperplasia, after many biopsies to check the pathology reported as inflammatory