Hachemi Mohamed, Zohra Touarigt Fatma, Hireche Lina, Oukaour Lylia, Radio-Induced Maxillary Angiosarcoma: About a Case, Journal of Otolaryngology Advances, Volume 2, Issue 3, 2025, Pages 55-60, ISSN 2379-8572, https://doi.org/10.14302/issn.2379-8572.joa-25-5504. (https://oap-researcharticles.orgjoa/article/2265) Keywords: Angiosarcoma; Radio induced; Para nasal sinuses; immunohistochemistry; propranolol; clinical case