本文分析了207例不明原因颈部淋巴结肿大患者的临床资料。经检查,45例患者有上呼吸消化道原发性鳞癌,均有二腹肌区淋巴结肿大,其中有些尚有其它部位的多个淋巴结。其余162例无可以证实的原发瘤。颈部肿块进行了诊断性活检,77例为良性炎性病变,36例 This article analyzed the clinical data of 207 patients with unexplained cervical lymphadenopathy. Upon examination, 45 patients had primary squamous cell carcinoma of the upper gastrointestinal tract and all had lymphadenopathy in the digastric muscle area. Some of them had multiple lymph nodes in other sites. The remaining 162 patients had no confirmed primary tumors. A diagnostic biopsy was performed on the neck mass, with 77 cases of benign inflammatory lesions and 36 cases