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KMID : 1189320150090060935
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Asian Spine Journal
2015 Volume.9 No. 6 p.935 ~ p.941
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Surgical Outcomes of High-Grade Spinal Cord Gliomas
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Seki Toshitaka
Hid Kazutoshi
Yano Syunsuke
Aoyama Takeshi
Koyanagi Izumi
Houkin Kiyohiro
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Abstract
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Study Design: A retrospective study.
Purpose: The purpose of this study was to obtain useful information for establishing the guidelines for treating high-grade spinal cord gliomas.
Overview of Literature: The optimal management of high-grade spinal cord gliomas remains controversial. We report the outcomes of the surgical management of 14 high-grade spinal glioma.
Methods: We analyzed the outcomes of 14 patients with high-grade spinal cord gliomas who were surgically treated between 1989 and 2012. Survival was charted with the Kaplan-Meier plots and comparisons were made with the log-rank test.
Results: None of the patients with high-grade spinal cord gliomas underwent total resection. Subtotal resection was performed in two patients, partial resection was performed in nine patients, and open biopsy was performed in three patients. All patients underwent postoperative radiotherapy and six patients further underwent radiation cordotomy. The median survival time for patients with high-grade spinal cord gliomas was 15 months, with a 5-year survival rate of 22.2%. The median survival time for patients with World Health Organization grade III tumors was 25.5 months, whereas the median survival time for patients with glioblastoma multiforme was 12.5 months. Both univariate and multivariate Cox proportional hazards models demonstrated a significant effect only in the group that did not include cervical cord lesion as a factor associated with survival (p=0.04 and 0.03).
Conclusions: The surgical outcome of patients diagnosed with high-grade spinal cord gliomas remains poor. Notably, only the model which excluded cervical cord lesions as a factor significantly predicted survival.
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KEYWORD
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Glioma, Intramedullary tumor, Outcome, Radiation therapy, Spinal cord
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