Increasing incidence and continued dismal outcome of primary central nervous system lymphoma in Norway 1989–2003

The incidence of primary central nervous system lymphoma (PCNSL) appears to be increasing in some countries, whereas it is stable in others. Many reports the last decades have suggested that there have been improvements in the treatment of PCNSL. The objective of this study was to analyze time trends in the incidence, clinical features, histologic diagnosis, treatment, and outcome of nonacquired immunodeficiency syndrome (non‐AIDS) PCNSL in Norway from 1989 to 2003.

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