病例:许××,男,73岁,1982年9月18日入院。患者缘于1976年7月发现颈部两侧各有3～4个蚕豆大淋巴结,无触痛,质硬。曾诊断为“慢性淋巴结炎”,“恶性淋巴瘤”,“颈淋巴结转移癌”。此后,颈淋巴结逐渐增大,硬韧,与皮肤粘连。先后三次检查鼻咽部均未发现异常。 Case: Xu X, male, 73 years old, admitted to hospital on September 18, 1982. The patient was born in July 1976 and found that there were 3 to 4 broad bean lymph nodes on both sides of the neck, no tenderness and hard. He was diagnosed as “chronic lymphadenitis,” “malignant lymphoma,” and “metastasis of cervical lymph node metastasis.” Since then, the cervical lymph nodes have gradually enlarged, hard and tough, and adhered to the skin. No abnormalities were found in the nasopharyngeal examination three times.