AUTHOR=Shi Yajun , Liang Guohao , Zhang Haiying , Wang Yaqing , Han Ying , Tong Shenglian , Liang Shunyu , Wang Ying , Bai Hai TITLE=Hemangiopericytoma following allogeneic hematopoietic stem cell transplantation in a patient with primary plasma cell leukemia: the first case report and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1467237 DOI=10.3389/fonc.2024.1467237 ISSN=2234-943X