cases, sinus Week 128: Case 1 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Ali Ansari-Lari, M.D.,Ph.D.A 79 year-old woman with a large and destructive mass filling the maxillary sinus/images/Bill1a.JPG/images/Bill1b.JPG/images/Bill1c.JPG/images/Bill1d.JPGSchneiderian papilloma, inverted typeSquamous cell carcinoma, poorly differentiatedEsthesioneuroblastoma, high gradeMalignant mucosal melanomaSinonasal undifferentiated carcinoma (i.e. SNUC) Loading...