cases, retroperitoneum Week 535: Case 1 April 26, 2023 pathadmin 1. Presented by Ashley Cimino-Mathews, M.D. and prepared by Justin Poling, M.D.A 36 year old female was found to have a cystic retroperitoneal mass.images/poling/11122012/1_2x.jpgimages/poling/11122012/1_10x.jpgimages/poling/11122012/1_20x.jpgimages/poling/11122012/1_20x2.jpgOvarian mucinous cystadenomaTeratomaMucinous cystadenoma of the retroperitoneumIntestinal duplication cyst Loading...