AUTHOR=Zhang Hui , Xiang Xueping , Ma Xiaojing , Zhang Buyi , Xu Susu , He Xiaojuan , Xu Jinghong TITLE=Case Report: SMARCB1-deficient phenotype may be a new specialized type of pleomorphic xanthoastrocytoma associated with poor prognosis JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1527909 DOI=10.3389/fonc.2025.1527909 ISSN=2234-943X