新生儿左半小结肠综合征(neonatal small left colon syndrome,NSLCS)是一种罕见的新生儿功能性低位肠梗阻疾病,首次提出于1974年~([1]),其临床表现为生后24~72 h内不明原因出现的进行性腹胀、胆汁性呕吐及胎粪不排等消化道梗阻症状,且这种症状可随时间推移消失或经保守治疗很快治愈,此后不再发作,其典型大肠气钡双重造影特征为一狭窄的左半结肠,于脾曲有一突然移行区,可伴有横结肠、升结肠扩 Neonatal left small colon syndrome (neonatal small left colon syndrome, NSLCS) is a rare neonatal functional low intestinal obstruction disease, was first proposed in 1974 ~ ([1]), the clinical manifestations of postnatal 24 ~ 72 h unknown causes of progressive bloating, bile vomiting and meconium does not row gastrointestinal obstruction symptoms, and this symptom can disappear over time or soon after conservative treatment, no longer attack, and its typical Colorectal barium double contrast features of a narrow left colon, splenic song has a sudden migration area, may be associated with transverse colon, ascending colon expansion