[Congenital esophageal cyst: a case report].

: Congenital oesophageal cysts are extremely rare findings in the context of masses developing in the mediastinum. The embryogenetic and physiopathological aspects of these lesions have yet to be fully clarified. Preoperative diagnostic investigations may be only partly successful in indicating the correct diagnosis. Surgical excision is always indicated, via either the thoracoscopic or thoracotomic routes. We report here on case of a duplication oesophageal cyst which we diagnosed and treated successfully in our department. The clinical and therapeutic aspects of these lesions are discussed and compared with other cases reported in the literature.