Pathology slides. Pathology slides show pseudo cyst (A), cyst (B) and pancreatic tissue endocrine and exocrine pancreas (C). Ectopic pancreatic pseudocyst and cyst presenting as a cervical and mediastinal mass: case report and review of the literature. Rokach A, Izbicki G, Deeb M, Bogot N, Arish N, Hadas-Halperen I, Azulai H, Bohadana A, Golomb E - Diagnostic pathology (2013). Not Altered. CC.