Bronchogenic and esophageal duplication cyst in a single mediastinal mass in a child.

We report an unusual case of a mediastinal foregut malformation consisting of complete components of both a bronchogenic and an esophageal duplication cyst in a child. The lesion was identified as an incidental finding during evaluation of a clavicular fracture. Thoracotomy was performed for excision of the mass. A discussion of the pathological findings and the diagnosis and management of foregut malformations is presented.