患儿 ,女 ,4个月 ,因反复粘液血便 1月入院。 1月前不明原因出现腹泻 ,为粘液脓血便 ,每日 3～ 4次 ,每次量少 ,排便时常哭闹不止 ,无发热 ,抽搐 ,惊厥。门诊以菌痢予抗感染治疗 ,症状稍改善 ,间隔数日又发作。查体 :急性病容 ,神清 ,皮肤无黄染 ,浅表淋巴结未扪及肿大 ,心肺正 Children, women, 4 months, due to repeated mucus bloody January admission. 1 month ago, unexplained diarrhea, mucus pus and blood stool, 3 to 4 times a day, each less, often more than crying defecation, no fever, convulsions, convulsions. Clinic with bacillary dysentery to anti-infection treatment, symptoms slightly improved, an interval of several days after another attack. Physical examination: acute disease, Shen Qing, no yellow skin, superficial lymph nodes palpable enlarged, cardiopulmonary