Plasmablastic lymphoma mimicking primary ovarian, tubal or peritoneal cancer: a case report and literature review

The diagnosis of immunocompetent PBL with intraperitoneal spread before surgery and during intraoperative cryosections remains challenging. Intraperitoneal biopsy and delayed cytoreduction can prevent unnecessary tumor resection. However, a definitive treatment modality is yet to be established. Our patient responded to chemotherapy plus targeted therapy, followed by halpo-PBSCT, leading to a 6-month partial response. Our experience provides additional information on pretreatment evaluation and therapeutic considerations for patients with PBL.