Abstract
Introduction: Pancreatic heterotopia has been described most frequently in stomach and duodenum. Isolated occurrence of heterotopic pancreas in ileum is exceptional and is usually discovered incidentally during surgery. In rare cases, heterotopic pancreas has been reported as a lead point of ileoileal intussusception. case report: A one-year-old boy was presented with recent onset of constipation and abdominal distention. radiologic investigation suggested a diagnosis of midgut volvulus with ileoileal intussusception. resection anastomosis of the intussusception was performed. Histologic examination of the resected specimen showed heterotopic pancreas in the wall of intussusceptum at its tip. No other significant pathology was found. conclusion: Ileal heterotopic pancreas is a rare cause of intussusception at any age and is usually not evident clinically. Hence, careful examination of the lead point of intussusceptum in resection specimens is mandatory to delineate the underlying etiology of these cases.
Highlights
Pancreatic heterotopia has been described most frequently in stomach and duodenum
Heterotopic pancreas has been reported as a lead point of ileoileal intussusception
On an extensive review of literature, we found less than 25 cases of isolated heterotopic pancreas of ileum as leading point of intussusception in children
Summary
Intussusception is defined as the telescoping of a segment of the gastrointestinal tract into subjacent one It is the most common cause of intestinal obstruction in children and is often idiopathic [1]. Intussusception with intraluminal heterotopic pancreatic tissue as the lead point is a rare condition [2]. It usually presents in stomach, duodenum and proximal jejunum. On an extensive review of literature, we found less than 25 cases of isolated heterotopic pancreas of ileum as leading point of intussusception in children. Radiologic investigations showed multiple air fluid levels with features of midgut volvulus and ileoileal intussusception. The segment was gangrenous and showed an intussusception 6 cm in length. There was no other significant pathological change such as inflammation or neoplastic transformation in the pancreatic tissue
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