1病历摘要男,20日龄。主因血便10 d住院。患儿从生后1周开始出现暗红色血便,3~4次/d,不伴呕吐及发热,母乳喂养,吃奶好。在当地就诊后服用抗炎及止泻药症状略好转,3 d后症状加重来我院就诊。查体:精神反应好,心肺未见异常,腹部平软未触及包块,无腹胀,肠鸣音正常。神经系统未见异 1 medical records male, 20 days old. The main reason for bloody stool 10 d hospitalization. Children from the first week after birth dark red bloody stool, 3 to 4 times / d, without vomiting and fever, breastfeeding, good feeding. After taking the local treatment of anti-inflammatory and anti-diarrhea symptoms slightly improved, 3 days later, the symptoms increased to our hospital. Physical examination: good mental reactions, no abnormal heart and lungs, abdomen, soft touch without mass, no abdominal distension, bowel sounds normal. Nervous system no difference