cases, nose Week 373: Case 6 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by ChanJuan Shi, M.D., Ph.D.30 year-old man with a rapidly enlarging and destructive mass of the sinonasal tractAmyloidosisSinonasal polyp, angioectatic typeSpindle cell sarcoma 1. Presented by William Westra, M.D. and prepared by ChanJuan Shi, M.D., Ph.D.30 year-old man with a rapidly enlarging and destructive mass of the sinonasal tract