cases, retroperitoneum Week 209: Case 3 April 26, 2023 pathadmin 1. Presented by Fred Askin, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.53 year old woman who had a low grade retroperitoneal sarcoma diagnosed in 2001. Over the course of several recurrences, the appearance of this lesion changed to that illustrated in the current case.images/DengfengCao/012405case3a.jpgimages/DengfengCao/012405case3b.jpgimages/DengfengCao/012405case3c.jpgimages/DengfengCao/012405case3d.jpgimages/DengfengCao/012405case3e.jpgHodgkin's diseaseMalakoplakiaInflammatory malignant fibrous histiocytomaRosai-Dorfman's disease Loading...