cases, retroperitoneum Week 302: Case 6 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Jeffrey T. Schowinsky, M.D.day-old male with a retroperitoneal mass.images/022607PA6a.jpgimages/022607PA6b.jpgimages/022607PA6c.jpgimages/022607PA6d.jpgPulmonary sequesrationTeratomaPulmonary sequestration with congenital cystic adenomatoid malformation and rhabdomyomatous dysgenesisRhabdomyosarcoma arising within a pulmonary sequestration Loading...