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Discussion

Although neonatal intestinal obstruction due segmental intestinal dilatation is described in literature, etiology of this entity remains unknown.[1, 2] It often manifests as an isolated, dilated small bowel segment, without evidence of intrinsic or extrinsic obstruction or abnormal neural innervation. In the neonatal period it presents with acute intestinal obstruction or can mimic Hirschsprung’s disease, while in older infants it presents with anemia, malabsorption, chronic constipation or features of intermittent intestinal obstruction.[3] Swenson and Rathauser in 1959 established the criteria for the diagnosis of this rare entity.[4] Their criteria included,(i) limited bowel dilatation with a 3-to 4-fold increase in size,(ii) an abrupt transition between dilated and normal bowel,(iii) no intrinsic or extrinsic barrier distal to the dilatation,(iv) clinical picture of intestinal occlusion or sub-occlusion,(v) a normal neuronal plexus, and …