cases, retroperitoneum, soft tissue Week 708: Case 3 April 26, 2023 pathadmin 1. Presented by Dr. Pedram Argani and prepared by Dr. Yembur Ahmad.This is a 1 year old male with a retroperitoneal mass. What is the diagnosis?Well-differentiated liposarcomaMyxoid liposarcomaLipoblastomaFat necrosis Loading...