cases, nasopharynx Week 190: Case 5 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Maryam Farinola M.D.44 year-old man with nasal obstruction and unilateral mass of posterior nasal cavity.images/REAH 1.jpgimages/REAH 2.jpgimages/REAH 3.jpgInflammatory sinonasal polypRespiratory epithelial adenomatoid hamartomaScneiderian papilloma, inverted typeSinonasal adenocarcinoma, low grade Loading...