患儿,男,8个月。出生后20天发现脐部间断有尿液和粪臭肠液流出,于咳嗽、哭闹、大便和排尿时明显。脐部体检:脐部呈粘膜息肉状,中央有痿口,脐周皮肤呈湿疹样改变。住院后,从导尿管向膀胱内注入亚甲蓝,可见脐部有蓝染尿液漏出;再经脐部瘘口注入泛影葡胺造影,结果显示出两个 Children, male, 8 months. 20 days after birth, umbilical cord was found intermittent urine and excrement of intestinal fluid outflow, cough, crying, stool and urination obvious. Umbilical examination: umbilical mucosal polyps, the central atrophy mouth, umbilical skin eczema-like changes. After hospitalization, methylene blue was injected into the bladder from the catheter, showing that blue-stained urine leaked out of the umbilicus. After the umbilical fistula was injected with diatrizoamide diazepam, the results showed that two