cases, retroperitoneum Week 588: Case 2 April 26, 2023 pathadmin 1. Presented by Ashley Cimino-Mathews, M.D. and prepared by Whitney Green, M.D.A 70 year-old female with a peri-renal retroperitoneal massimages/ACMCase2_2xfibrosis.jpgimages/ACMCase2_20xfibrosisatypical.jpgimages/ACMCase2_10xfat.jpgimages/ACM_Case2_10xvessel.jpgimages/ACMCase2_10xvessel2.jpgAtypical lipomatous tumorWell-differentiated liposarcomaAngiomyolipoma (fat predominant)Fat necrosis Loading...