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Postoperative radiotherapy for supratentorial malignant gliomas
1Department of Radiation Oncology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
Journal of Neuro-Oncology
|July 27, 1999
Summary
This study on malignant glioma patients found that age, symptom duration, and surgery extent impact survival. Postoperative Karnofsky performance status and extent of surgery are key independent prognostic factors for survival.
Area of Science:
- Neuro-oncology
- Radiation Oncology
- Clinical Outcomes Research
Background:
- Malignant gliomas are aggressive brain tumors with poor prognoses.
- Identifying prognostic factors is crucial for optimizing treatment strategies.
Purpose of the Study:
- To analyze clinical and pathological parameters influencing survival in patients with supratentorial malignant gliomas treated with radiation therapy.
- To identify significant prognostic factors for overall survival.
Main Methods:
- Retrospective analysis of 65 patients with histologically confirmed supratentorial malignant gliomas treated from 1988-1996.
- Univariate and multivariate analyses were performed to assess prognostic factors.
Main Results:
- Overall 1-year and 2-year survival rates were 57% and 23%, respectively.
- Significant prognostic factors identified by univariate analysis included age, postoperative Karnofsky performance status, symptom duration, lesion multiplicity, and extent of surgery.
- Postoperative Karnofsky performance status and extent of surgery remained significant independent prognostic factors in multivariate analysis.
Conclusions:
- Postoperative Karnofsky performance status and extent of surgery are critical independent predictors of overall survival in patients with supratentorial malignant gliomas.
- These factors should be considered in treatment planning and patient counseling.