Cystic lesions
Pancreatic pseudocyst

Reviewer: Hanni Gulwani, M.D. (see Authors page)

Revised: 18 December 2015, last major update December 2012

Copyright: (c) 2003-2015,, Inc.

PubMed Search: pancreatic pseudocyst mediastinum
Cite this page: Pancreatic pseudocyst. website. Accessed March 24th, 2018.
Definition / general
  • Rarely is present in mediastinum
  • Encapsulated collection of pancreatic secretion, blood, and necrotic material
  • Almost always occurs in the lower part of the posterior mediastinum
  • Gains access to the chest via esophageal or aortic hiatus
Clinical features
  • Cystic posterior mediastinal mass that develops over a short time in a patient with pancreatitis (pseudocyst)
  • CT/MRI shows fluid-containing mediastinal cystic mass (Radiographics 2002;22 Spec No:S79)
Case reports
Clinical images

Case of the Week #374 (CT scan)

Gross images

Case of the Week #374

Microscopic (histologic) images

Case of the Week #374