1病例报告患者男,33岁。因左颈部肿物12年,疼痛加重2周就诊。患者平素体健,无接种疫苗史,无结核病家族史,1年前有结核接触史。发病以来无盗汗、消瘦、乏力、咳嗽、咳痰等症状。查体:体温38℃,脉搏82/min,呼吸24次/min;左颌下三角区明显隆起,触及大小肿物,边界模糊,质韧,活动度可,无明显波动感。血常规、血生化检查正常,胸部正侧位X线片无异常。初步诊 1 case report Patient male, 33 years old. Due to left neck mass for 12 years, the pain increased 2 weeks treatment. Patients usually healthy, no vaccination history, no family history of tuberculosis, tuberculosis contact history a year ago. Since the onset of no night sweats, weight loss, fatigue, cough, sputum and other symptoms. Examination: Body temperature 38 ℃, pulse 82 / min, breathing 24 times / min; the left submandibular triangle was significantly elevated, touching the size of the tumor, fuzzy boundaries, quality and toughness, activity can be, no significant fluctuations. Blood, normal blood biochemistry, chest X-ray is no abnormality. Initial diagnosis