cases, soft tissue Week 397: Case 4 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Andrea Subhawong, M.D.This is a 64-year-old with a mediastinal mass and a history of an extremity mass 17 years previously. A cytokeratin stain was negative.images/6.22.09.04a.jpgimages/6.22.09.04b.jpgimages/6.22.09.04c.jpgimages/6.22.09.04d.jpgMetastatic extraskeletal myxoid chondrosarcomaMetastatic alveolar soft part sarcomaMetastatic synovial sarcomaMetastatic epithelioid sarcoma Loading...