例1，女，3天，因下肢硬肿住院，近一天腹胀，呕吐并吐咖啡色物一次，查体；腹胀肠鸣着弱，腹部直立式前后位平片显示：小肠部分充气扩张，肠间隙加宽，胃轻度扩张，码胃底及大弯们冒壁可见环形密度减低影相，诊为急性坏死性小肠结肠炎，治疗半月痊愈。例2，男，4天，生后即腹 Case 1, female, 3 days, hospitalized due to lower extremity hard swelling, nearly one day of bloating, vomiting and spit coffee brown objects, physical examination; abdominal distension bowel weak, abdomen vertical type flat film before and after the show: part of the small intestine inflatable dilation intestinal gap Widened, mild gastric dilatation, code stomach and the big bend they see the annular density reduced film, diagnosed as acute necrotizing enterocolitis, cured half months cured. Example 2, male, 4 days after birth that belly