627. Aggressive Lymphoma (Diffuse Large B-Cell and Other Aggressive B-Cell Non-Hodgkin Lymphomas)—Results from Retrospective/Observational Studies:
PCNSL Treatment and Prognosis and CNS Prophylaxis in High-Risk Aggressive Lymphomas
Kevin A. David, Suchitra Sundaram, Seo-Hyun Kim, et al.
477 Lack of Effectiveness of Intravenous High-Dose Methotrexate for Prevention of CNS Relapse in Patients with High-Risk DLBCL: A Retrospective Analysis from Alberta, Canada
Robert Puckrin, Haidar El Darsa, Sunita Ghosh, et al.
478 CNS Prophylaxis during Front-Line Therapy in Aggressive Non-Hodgkin Lymphomas: Real-World Outcomes and Practice Patterns from 19 US Academic Institutions
Victor M. Orellana-Noia, Daniel R Reed, Jeremy M Sen, et al.