[Esophageal duplication cyst as an unusual cause of adult dysphagia]. / Quiste por duplicación esofágica como causa inusual de disfagia en el adulto.

Esophageal duplication cyst is a rare congenital alteration. Most of these cysts are asymptomatic and are usually identified as an incidental finding. These lesions can develop complications (bleeding, infection, etc.) and even malignant degeneration. Consequently, the treatment of choice is surgical.