Ectopic pancreas in mediastinum: report of 2 cases and review of the literature.

Ectopic pancreas in mediastinum is uncommon. In this paper 2 cases of patients who had large cysts or cystic-solid masses containing pancreatic tissue in mediastinum were reported. Although the clinical presentations of these 2 patients were nonspecific, some specific characteristics in the imaging findings were discovered, which will be helpful for the diagnosis. However, the final diagnosis depends on pathologic examination.