EB病毒感染伴发 T细胞性恶性淋巴瘤和噬血细胞综合征并不多见 ,现报告 3例。1 　 病例报告例 1　男 ,56岁。反复发热、咽痛、口腔溃疡 4年余 ,加重 3个月 ,于 1 998年 5月 1 2日入院。 4年前始反复发热 ,体温达 40℃ ,热型不规则 ,伴咽痛和口腔溃疡。多次在院外就诊 ,拟诊为咽? Epstein-Barr virus infection with T-cell lymphoma and hemophagocytic syndrome is rare, and three cases are reported. 1 Case report 1 Male, 56 years old. Repeated fever, sore throat, oral ulcers for more than 4 years, an increase of 3 months, admitted to hospital on May 12, 1998. 4 years ago repeated fever, body temperature of 40 °C, irregular heat, with sore throat and mouth ulcers. Many times in the hospital for treatment, the diagnosis of pharynx?