病例:男,51岁。固腹泻4月余,呆滞3个月,双手背红斑2月余,于1989年10月2日入院。病初曾到某医院就诊,考虑急性肠炎,用吡哌酸治疗无好转,以后四次复诊皆按细菌性痢疾给抗生素治疗,病情反而加重。自发病以来,纳差、乏力、消瘦,每日大便3～5次,大便水样或糊状,量多,有恶臭,偶带血,便时有下坠 Case: Male, 51 years old. Solid-based diarrhea more than 4 months, sluggish 3 months, his hands back erythema more than 2 months, on October 2, 1989 admission. At the beginning of the illness had to a hospital for treatment, consider acute enteritis, no improvement with pipemidic acid treatment, followed by four referral according to bacterial dysentery antibiotics, the condition worsened. Since the onset, the anorexia, fatigue, weight loss, stool 3 to 5 times a day stool watery or pasty, the amount of smelly, occasionally bloody occasionally fall