cases Week 489: Case 4 April 26, 2023 pathadmin 1. Presented by Ralph Hruban, M.D. and prepared by Hillary Ross, M.D.This is a biopsy of a large mass at the base of the skull of a 75-year-old. images/1alex/072511case4image1.jpgimages/1alex/072511case4image2.jpgChondromaChondrosarcomaChordomaChordoid meningioma Loading...