cases, sinus Week 361: Case 5 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Amy Duffield, M.D., Ph.D.50 year-old man with nasal obstructionDuctal papillomaWell-differentiated sinonasal adenocarcinoma, non-intestinal typeSinonasal adenocarcinoma, intestinal typeMetastatic colorectal adenocarcinoma 1. Presented by William Westra, M.D. and prepared by Amy Duffield, M.D., Ph.D.50 year-old man with nasal obstruction
