Results of primary central nervous system lymphoma treated by radiation and chemotherapy: Retrospective analysis of twelve institutions in the Tokai district of Japan, 1995–1999

Purpose We analyzed the therapeutic results and prognostic factors of 46 primary central nervous system lymphoma (PCNSL) patients who were treated at twelve institutions in the Tokai district of Japan between 1995 and 1999. We compared the results with those of a Japanese nationwide survey performed in the past.