Figure 1From: Large, segmental, circular vascular malformation of the small intestine (in a female toddler with hematochezia): unusual presentation in a child Hydrocolon ultrasound image taken after gentle administration of 500 ml saline enema. Circular lobulated infiltration of the ileum wall (arrows), with multiple cystiform-tubular anechoic, partially confluent areas (consistent with venous structures) causing a concentric stenosis. The enema fluid entering the stenotic section is well depicted (*).Back to article page