患者女,16岁,学生。左右颈淋巴结肿大2天。一月前反复鼻咽不适、咳嗽,消化道症状不明显。口服感康、双黄连、安必仙等药,一月后突感左右颈部淋巴结肿大。查体:T36.5℃/腋下,咽充血(+),扁桃体肿大I°,咽后壁可见淋巴滤泡增生,鼻、口腔湿润,双肺呼吸音清晰,左颈淋巴结肿大约0.5× Female patient, 16 years old, student. Left and right cervical lymph nodes 2 days. Repeated nasopharyngeal a month ago, cough, gastrointestinal symptoms are not obvious. Oral health, Shuanghuanglian, Ann will be immortal and other drugs, after January sudden cervical lymph node enlargement. Examination: T36.5 ℃ / armpit, pharyngeal congestion (+), tonsil enlargement I °, the posterior pharyngeal lymphoid follicular hyperplasia can be seen, nasal, oral wet, clear lung breath sounds, left cervical lymph nodes about 0.5 ×