患者男,50岁,因头昏、乏力半年,加重10天,于1996年5月7日就诊。患者于诊前半年无明显诱因出现头昏、乏力、面色苍白,且逐渐加重,并昏倒1次,伴发热,未作任何治疗。既往无肝炎、结核史,无异常家族史。体检:体温37℃,脉搏100次/分,呼吸及血压正常,贫血貌,全身浅表淋巴结未扪及,胸 The patient was a man, 50 years old. He was diagnosed with dizziness and fatigue for six months. He was aggravated for 10 days. He was referred on May 7, 1996. The patient had no obvious cause of dizziness, fatigue, paleness, paleness, and aggravated gradually during the first half of the consultation. The patient fainted 1 time with fever, without any treatment. Past history of hepatitis, tuberculosis, no abnormal family history. Physical examination: body temperature 37°C, pulse 100 beats/min, normal breathing and blood pressure, anemic appearance, superficial lymph node metastasis, chest