Jejunal duplication presenting with perforation peritonitis: Complication of a rare congenital malformation in an elderly female

Intestinal duplication is a rare congenital malformation that usually detected or becomes symptomatic in early paediatric age and rarely reported adults. The ileum the most frequent site, while jejunum involved. Features are often nonspecific, hence difficult to diagnose. Ultrasonography preferred imaging method. surgical procedure determined depending on presentation. We present case of an adult female presenting with perforation peritonitis. Intraoperatively, approximately 6 cm length communicating jejunal tubular over mesenteric margin was found, involving segment normal jejunum. Resection anastomosis carried out. This presentation proposed further insight into enteric their clinical presentations, along emphasis how why this entity missed preoperatively came out be intra-operative surprise.