Autologous Stem-Cell Transplantation for Primary Central Nervous System Lymphoma: Systematic Review and Meta-analysis.

Primary central nervous system lymphoma (PCNSL) is an aggressive form of non-Hodgkin lymphoma. Methotrexate is first-line chemotherapy. Autologous stem-cell transplantation (ASCT) is increasingly used as an alternative consolidative treatment to whole-brain radiotherapy.