AUTHOR=Sun Zhaochen , Chen Tao , Zhu Xuefeng , Geng Jie , Sui Chaofan , Zhang Nan , Guo Lingfei TITLE=Case report of retroperitoneal ectopic pancreas with adrenal adenoma JOURNAL=Frontiers in Surgery VOLUME=Volume 9 - 2022 YEAR=2022 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2022.935211 DOI=10.3389/fsurg.2022.935211 ISSN=2296-875X ABSTRACT=Background: Ectopic pancreas is a congenital anomaly in which pancreatic tissue is anatomically separated from the main gland and without vascular or ductal continuity. A case of retroperitoneal ectopic pancreas with adrenal adenoma has never been reported. Case Presentation: A 54-year-old man found three masses in the left retroperitoneum, and two of them were resected. The pathologic findings were retroperitoneal ectopic pancreatic and adrenal adenoma. Conclusion: We report an extremely rare case of retroperitoneal ectopic pancreas and its characterization with dynamic gadolinium-enhanced MRI (magnetic resonance imaging). Keywords: ectopic pancreas, retroperitoneum, adrenal adenoma, accessory spleen, magnetic resonance imaging, imaging features