Objective: To explore the clinical features, diagnosis, treatment and prognosis of central nervous system lymphoma (CNSL).
Methods: Retrospective analysis was conducted for 31 CNSL cases from January 2007 to December 2009 in our hospital. Their clinical data were analyzed by statistical software package SPSS 16.0.
Results: Accounting for around 4.7% of all lymphomas at our institution, the present cohort had 21 males and 10 females with a median age of 38 years old. The major clinical manifestations were focal neurological deficits associated with the site of disease or increased intracranial pressure. Most patients were treated with chemotherapy-based regimens. The overall response rate was 67.7% (21/31) with 32.3% (10/31) complete remission rate (CR) and 35.5% (11/31) partial remission rate (PR). Involvement outside CNS or bone marrow, high international prognostic index (IPI) and B symptoms had significant effects on the therapeutic efficacy (P < 0.05). The overall survival rates were 80.7%, 74.2%, 64.5% and 58.1% at 3, 6, 12, 24 months respectively. The median survival time was 22.5 months. Univariate analysis showed that the clinical efficacy had significant effects on the overall survival of patients (OR = 0.030, 95%CI: 0.003 - 0.270, P = 0.000).
Conclusion: The prognosis of CNSL remains poor. New diagnostic tools and treatment modality need to be explored.
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