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Published on: March 30, 2018
Primary central nervous system lymphoma in immunocompetent individuals: a single center experience
Hilal Aki1, Didem Uzunaslan, Caner Saygin
1Department of Pathology, Istanbul University, Cerrahpasa Faculty of Medicine, Istanbul, Turkey. hilal_aki@yahoo.com.tr
Insights
Combined chemotherapy and radiotherapy improved survival for primary central nervous system lymphoma (PCNSL) patients. Other prognostic factors did not significantly impact overall survival (OS) in this study.
Area of Science:
- Neuro-oncology
- Hematology
- Clinical research
Background:
- Primary central nervous system lymphoma (PCNSL) is a rare non-Hodgkin lymphoma affecting the brain, leptomeninges, eyes, or spinal cord.
- The prognostic significance of various markers in PCNSL remains under investigation.
- Immunocompetent PCNSL cases represent a specific subgroup requiring dedicated analysis.
Purpose of the Study:
- To analyze clinical and immunohistochemical features of immunocompetent PCNSL.
- To evaluate the impact of prognostic factors on overall survival (OS) in PCNSL patients.
- To identify potential therapeutic strategies for improving PCNSL outcomes.
Main Methods:
- Retrospective analysis of 39 immunocompetent PCNSL cases.
- Collection of data on patient demographics, neuroimaging, pathology, and immunohistochemistry.
- Statistical analysis using log-rank test and Cox regression to assess OS predictors.
Main Results:
- Combined chemotherapy and radiotherapy significantly improved OS compared to chemotherapy alone.
- No significant survival advantage was observed for other investigated clinicopathological variables.
- The study identified a potential benefit of combined modality treatment in PCNSL.
Conclusions:
- The study did not establish a definitive link between most clinicopathological variables and PCNSL patient OS.
- Combined chemotherapy and radiotherapy appears to be a beneficial treatment approach.
- Larger prospective studies are necessary to elucidate other prognostic factors in PCNSL.
Unlabelled:
Primary central nervous system lymphoma (PCNSL) is defined as the involvement of brain, leptomeninges, eyes or spinal cord by non-Hodgkin lymphoma. The role of various prognostic markers in predicting adverse outcome is debated.
Objectives:
To investigate the clinical and immunohistochemical findings of immunocompetent PCNSL cases (39 cases) diagnosed at the study center, and evaluate the influence of potential prognostic factors on overall survival (OS) of patients.
Methods:
Data regarding patient characteristics, neuroimaging, pathological and immunohistochemical features and follow-up were obtained from patient records. The influence of potential prognostic parameters on OS was investigated by log-rank test and Cox regression analysis.
Results:
Patients who received combined chemotherapy and radiotherapy had a significantly better OS when compared to chemotherapy alone. Other variables included in this study were not associated with a significant survival advantage.
Conclusion:
In this study, we failed to demonstrate a relationship between different clinicopathological variables and OS of patients. Prospective studies with large patient series are needed to investigate other potential prognostic factors.
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