Isolated cervical esophageal duplication: a rarity.

Duplication of alimentary canal is a well-known entity seen commonly in the abdomen and the thorax. Esophageal duplications are the second most common ones after the ideal duplications, but those in the neck are rarer-only 8 cases have been seen earlier. Cervical esophageal duplication in its isolated form causing torticollis and other chronic pressure symptoms has not been reported previously. Here, the authors present a 3-year-old male patient who had cystic duplication of the esophagus in the neck associated with the cervical vertebral defect and Horner syndrome. The authors hereby discuss the various embryological theories of etiopathogenesis of this malformation in brief.