如何发现临床Ｎｏ患者的临床转移灶及为Ｎ＋患者实施合适的治疗一直是头颈科医生的难题。对于原发灶已获控制的Ｎｏ和Ｎ１患者，放疗和／或手术均可取得良好的局部控制率。该文探讨对于＞Ｎ１的患者使用放疗后颈清扫的作用。自１９９１年２月至１９９５年１０月，２５例颈淋巴 How to find clinical metastases in clinical No patients and perform appropriate treatment for N+ patients has always been a problem for head and neck doctors. For patients with No and N1 whose primary tumors have been controlled, radiotherapy and/or surgery can achieve good local control. This article explores the role of neck dissection after radiotherapy for patients >N1. From February 1991 to October 1995, 25 cases of cervical lymph nodes