Intussusception of the small intestine into the stomach through the stoma of a gastro-enterostomy following operation is an infrequent occurrence. The literature contains only thirty-nine reported cases. The condition probably occurs more often but is not recognized because of a general lack of knowledge of the possibility of such a complication.
Most of the reported cases were of the acute type, characterized by a sudden onset without any preliminary signs. The earliest case occurred six days after operation.1 The symptoms and physical signs are those of high intestinal obstruction. The onset is with pain in the upper part of the epigastrium and vomiting, at first gastric contents, then bile and later blood. The abdomen becomes rigid, distended and tender. In some of the cases (about 50 per cent) a tumor mass is palpable. The course is rapidly downhill unless an immediate operation is performed. The usual operative procedure is