An Isolated Enteric Duplication Cyst With Mucinous Neoplasm Presenting as a Mesenteric Cyst: A Case Report.

Enteric duplication cysts (EDCs) are infrequent intraabdominal lesions, though they can be detected anywhere throughout the gastrointestinal tract. Rarely, they can be asymptomatic and encountered in adulthood. Completely isolated EDCs are rarer with malignant transformation inside the cyst.