Journal
IN VIVO
Volume 34, Issue 6, Pages 3719-3722Publisher
INT INST ANTICANCER RESEARCH
DOI: 10.21873/invivo.12220
Keywords
Grade II gliomas; radiotherapy; local control; survival; prognostic factors
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Background/Aim: Personalized treatment for low-grade gliomas likely improves patient outcomes. This study aimed to identify predictors of local control and survival. Patients and Methods: Twenty-five patients irradiated for grade II gliomas were retrospectively analyzed. Irradiation was performed after biopsy (n=6) or incomplete resection (n=19). Nineteen patients received additional chemotherapy. Eight factors were analyzed, namely the number of glioma sites, cumulative maximum diameter, radiotherapy technique, Karnofsky performance score (KPS), gender, age, resection and chemotherapy. Results: On univariate analysis, trends for associations with local control were found for cumulative maximum diameter <= 43 mm (p=0.087) and age <= 45 years (p=0.065). In the Cox regression analysis, cumulative maximum diameter maintained significance (p=0.046). On univariate analysis, KPS 90-100 (p=0.039) and female gender (p=0.022) were significantly associated with better survival. In the Cox regression analysis, both KPS (p=0.039) and gender (p= 0.016) were significant. Conclusion: Independent predictors of local control and survival were identified that can contribute to better treatment personalization.
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