报告1953年～1988年诊治的157例原发灶不详的颈部转移性鳞癌,平均年龄为60.5岁,男女之比为4∶1,随访最长28年,平均为47月。87%病例在四周内活检证实,13%由颈廓。清术时冰冻切片证实。N_1为14%,N_(2a)为13%,N_(2b)为9%,N_3a为15%,N_(3b)为11%,N_x为38%;治疗:放疗36%,手术36%,术前放疗7%,术后放疗19%;100例行颈淋巴廓清术,单侧55例,双侧1例。改良性保留X~1颅神经、胸锁乳突肌及颈内静脉18例单侧,1例双侧。单纯放疗组接受大于50Gy。结果:随访至少2年(85%),多则达5年多(63%),由于头颈部肿瘤死亡的5年生存率为76%,而由其它病死亡的5年生存率为55%;虽然手术 The 157 cases of metastatic squamous cell carcinoma of the neck with unknown primary lesions were reported from 1953 to 1988. The average age was 60.5 years. The ratio between males and females was 4:1. The longest follow-up period was 28 years, with an average of 47 months. Eighty-seven percent of the cases were biopsied within four weeks and 13% were from the neck. Frozen slices were confirmed during the surgery. N1 is 14%, N_(2a) is 13%, N_(2b) is 9%, N_3a is 15%, N_(3b) is 11%, N_x is 38%; Treatment: 36% of radiotherapy, surgery 36%, surgery Before radiotherapy 7%, postoperative radiotherapy 19%; 100 cases of cervical lymphadenectomy, unilateral in 55 cases, bilateral in 1 case. Modified retention of X~1 cranial nerves, sternocleidomastoid muscles, and internal jugular veins were unilateral in 18 cases and bilateral in 1 case. The radiotherapy group received more than 50 Gy. Results: Follow-up was at least 2 years (85%), with more than 5 years (63%). The 5-year survival rate for head and neck cancer deaths was 76%, and the 5-year survival rate for deaths from other diseases was 55%. Although surgery