cases, nasopharynx Week 190: Case 4 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Maryam Farinola M.D.66 year-old woman with nasal obstruction and unilateral nasal mass./images/inverted schneiderian papilloma 1.jpg/images/inverted schneiderian papilloma 2.jpg/images/inverted schneiderian papilloma 3.jpg/images/inverted schneiderian papilloma 4.jpgInflammatory sinonasal polypSchneiderian papilloma, inverted typeSinonasal adenocarcinoma, low grade Loading...