cases, soft tissue Week 140: Case 4 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Lynette S. Nichols, M.D.41 year-old woman with a mass involving the middle ear. The tumor is circumscribed and does not infiltrate bone.images/Lyn's/w-4a.jpgimages/Lyn's/w-4b.jpgimages/Lyn's/w-4c.jpgimages/Lyn's/w-4d.jpgParagangliomaMiddle ear adenomaCarcinoid tumor of the middle earEndolymphatic sac tumor Loading...