cases, sinus Week 398: Case 4 April 26, 2023 pathadmin 1. Presented by George Netto, M.D. & Kathryn Jockovic, M.D. and prepared by Andrea Subhawong, M.D.A 65 year old male presented with epistaxis. He was found to have a 3 cm firm polypoid mass in the nasal cavity. CD34 and Factor XIIIa stains are included.images/6.29.09.02a.jpgimages/6.29.09.02b.jpgimages/6.29.09.02c.jpgimages/6.29.09.02d.jpgimages/6.29.09.02e.jpgSinonasal glomangiopericytoma (sinonasal-type hemangiopericytoma)Juvenile angiofibromaSolitary fibrous tumour (SFT)Inflammatory allergic nasal polyp Loading...