The causes of intussusception are many. In the adult conditions such as single or multiple intestinal polyps, intramural or polypoid intestinal lipomas or carcinomas, Meckel's diverticula, invagination of the appendix or the appendical stump, and "sleeving" of the mucosa as a lead point following intestinal intubation have been noted in association with the development of intussusception. Rare associated conditions such as bezoars, Schönlein-Henoch syndrome,1and angiomas have been described. In the child, intussusception is occasionally seen in association with acute mesenteric adenopathy. Rarely intussusception has developed in utero2and it has been noted in association with cystic fibrosis.3 Intussusception in the early postoperative period, although rare, is a circumstance that should be borne in mind if the child exhibits more than the expected amount of postoperative ileus. The following is a report of just such a case: A 6-month-old white female entered Emanuel Hospital on Jan 26,