患儿,女,10岁。因高热9天、腹痛5天、腹泻1天入院。入院前9天突然高热,体温39～41℃,持续不退,3天前发现腹部压痛行腹穿,抽出黄色透明液体(量不详),镜检白细胞400×10~6,多核白细胞28％,比重1.028,大便为黄色稀水粘样,镜检脓球7～8/HP,红细胞0～1/HP,潜血+,末稍血象:血色素102克/L,白细胞9.7×10~9/L,杆状72％,淋巴细胞6％,中性粒细胞16％,晚幼 Children, female, 10 years old. 9 days due to fever, abdominal pain for 5 days, 1 day admitted to diarrhea. 9 days before admission suddenly high fever, body temperature 39 ~ 41 ℃, continuous flattening, abdomen abdominal pain was found abdominal wear three days ago, out of the yellow transparent liquid (an unknown amount), microscopic examination of white blood cells 400 × 10 ~ 6, 28% Specific gravity 1.028, the stool is a yellow watery sticky sample, microscopy pus 7 ~ 8 / HP, red blood cells 0 ~ 1 / HP, occult blood +, terminal blood: hemoglobin 102 g / L, white blood cells 9.7 × 10 ~ 9 / L, 72% of rods, 6% of lymphocytes, 16% of neutrophils, late infancy