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JOURNAL OF NEUROSURGICAL SCIENCES

A Journal on Neurosurgery


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Journal of Neurosurgical Sciences 2014 September;58(3):183-90

language: English

Therapeutic and survival outcomes following treatment of primary central nervous system lymphoma: a 12-year case study

Sitthinamsuwan B. 1, Rujimethapass S. 1, Chinthammitr Y. 2, Treetipsatit J. 3

1 Division of Neurosurgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand;
2 Division of Hematology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand;
3 Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand


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AIM: The study primarily aimed to investigate therapeutic and survival outcomes following definitive treatment of primary central nervous system lymphoma (PCNSL).
METHODS: All patients with histopathologically proven PCNSL at our institute between 1998 and 2009 were recruited. The collated data included demographic, laboratory, neuroimaging, therapeutic and survival aspects.
RESULTS: Of 85 participants with the mean age of 52.8 years, 79 underwent neurosurgical procedures endeavoring for diagnosis or decompression. Fifty patients who received definitive treatment in our institute were evaluated for therapeutic response. In multivariate analysis, there was no variable associated with good response rate. Eastern Cooperative Oncology Group (ECOG) performance status >1 and elevated cerebrospinal fluid (CSF) protein level >45 mg/dL were significant prognostic factors of poor survival outcome as estimated by Cox regression analysis. The patients treated by high-dose methotrexate (HD-MTX)-based protocols with or without radiotherapy (RT) achieved significantly longer median survival than those treated by RT alone or other kinds of chemotherapy.
CONCLUSION: Neurosurgical procedure plays an important role for diagnosis of PCNSL. Surgical resection has no role in curative treatment and should be discarded unless considerable mass effect develops. HD-MTX should be considered as the primary chemotherapy for individuals agonizing from the disease.

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bunpotsi@yahoo.com