临床上原发灶不明的颈部淋巴结转移癌并非鲜见。据Winegar(1973)7,600例颈转移癌资料,原发灶不明者占4～9％,平均5.5％。本文就其诊断标准,寻找原发灶的方法、治疗措施及预后等进行综述。诊断标准诊断标准不一。Comess等103例的诊断标准为:1.无恶性病变或性质不明病变手术切除史,2.无与某器官明确有关的症状,3.无原发病变临床或实验室症状,3.无原发病变 It is not uncommon for cervical lymph node metastases to be clinically unclear. According to Winegar (1973) 7,600 cases of cervical metastatic cancer, the primary tumors are unknown, accounting for 4 to 9%, with an average of 5.5%. This article reviews the diagnostic criteria, methods for finding primary lesions, treatment measures, and prognosis. Diagnostic criteria vary. The diagnostic criteria for 103 cases of Comess et al. were as follows: 1. No history of surgical resection of malignant or unexplained lesions, 2. No symptoms clearly related to an organ, 3. No clinical or laboratory symptoms of primary lesions, 3. No primary Lesion