Background: Enteric duplication cysts are congenital malformation of gastrointestinal tract which may arise anywhere in alimentary tract. We report a case of symptomatic presentation of communicating jejunal duplication cyst in an adolescent. Case Report: A 14 year old boy presented with persistent abdominal pain and vomiting. CT abdomen showed communicating jejunal duplication cyst. The duplication cyst was resected with involved segments. Conclusion:  Duplication cyst should be considered in differential diagnosis of abdominal cystic lesions.