cases, nose Week 437: Case 2 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Rui Zheng, M.D., Ph.D.40 year-old man with an intranasal massSquamous papillomaSchneiderian papilloma, fungiform typeSchneiderian papilloma, inverted typePapillary squamous cell carcinoma 1. Presented by William Westra, M.D. and prepared by Rui Zheng, M.D., Ph.D.40 year-old man with an intranasal mass