患者男,43岁,吸烟10余年。因腰背痛半年,颜面苍白2月,于1991年10月23日以“贫血待查”收住我科。患者从1991年4月中旬开始,无明显原因出现腰背部持续性隐痛,偶有阵发性加剧,伴夜间痛,弯腰轻度受限,双下肢无麻痛感,无返酸、嗳气,疼痛与进餐无明显关系。曾给予局部封闭、外贴虎骨膏等治疗,均无明显疗效。8月中旬开始渐感疲乏无力、头晕、不思饮食。近半月来明显颜面苍白,遂于10月23日收 Male patient, 43 years old, smoking more than 10 years. Due to low back pain for six months, pale face in February, on October 23, 1991 with “anemia to be checked,” admitted to our department. Patients from mid-April 1991, there was no obvious reason for persistent low back pain, occasional paroxysmal aggravated, with night pain, mildly limited bending, no lower extremity numbness, no acid reflux, belching, pain No significant relationship with meal. Have given partial closure, outside the paste tiger bone plaster treatment, no significant effect. Beginning in mid-August began to feel tired and weak, dizzy, do not think diet. Nearly half of the apparent pale face, then closed on October 23