Intussusception is a rarely encountered cause of intestinal obstruction in adults. It is a clinically difficult diagnosis to make since the symptoms can be very variable, unlike the pediatric presentation triad of abdominal pain, palpable abdominal mass and blood stained stool. A majority of adult intussusceptions (AI) are secondary to a definable lesion. A 48 year old woman with three months history of intermittent colicky pain underwent CECT scan and was found to have small bowel intussusception with a fat density rounded lesion at the lead point. Exploratory laparotomy revealed jejunojejunal intussusception secondary to a lipoma situated 40 cm distal to the duodenojejunal junction, which was treated by with segmental intestinal resection. CT scan proved to be the decisive factor for surgical treatment in an undiagnosed case of abdominal pain and provided the correct diagnosis pre-operatively.