Journal
SEIZURE-EUROPEAN JOURNAL OF EPILEPSY
Volume 23, Issue 10, Pages 844-851Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.seizure.2014.07.003
Keywords
Epilepsy; Survival; Tumor; Epidermal growth factor receptor; Ki-67
Categories
Funding
- National High Technology Research and Development Program [2012AA02A508]
- International Science and Technology Cooperation Program [2012DFA30470]
- National 973 program [201103707804]
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Purpose: Seizures are a common manifestation of many diseases and play an important role in the clinical presentation and quality of life (QOL) in patients with gliomas. The purpose of the present study was to investigate the possible correlation between tumor-related seizures and clinicopathological factors that influence preoperative seizure characteristics and relevant survival outcomes. Methods: We retrospectively investigated the correlation of preoperative seizures with clinicopathological factors and prognosis in a cohort of 198 Chinese patients with anaplastic gliomas. Univariate and multivariate logistic regression analyses were used to identify factors associated with preoperative seizures. Survival function curves were calculated using the Kaplan Meier method. Results: Of the 198 patients, 68 (34.3%) patients had preoperative seizures. Among the patients with seizures, 26 (38.2%) had generalized seizures, 38 (55.9%) had simple partial seizures, and four (5.9%) complex seizures. There was a higher proportion of epidermal growth factor receptor (EGFR) amplification, frontal lobe involvement, left cerebral hemisphere involvement, and lower Ki-67 expression in patients with preoperative seizures in both univariate and multivariate analyses. Patients with preoperative seizures had a longer overall survival (OS) time compared with those without (median: 1924 days vs. 923 days, P= 0.048). Conclusion: The current study updates existing information on tumor-related seizures and clinicopathological factors in anaplastic gliomas, and suggests two putative biomarkers for preoperative seizures; Ki-67 expression and EGFR amplification. These factors may provide insights for developing effective treatment strategies aimed at prolonging patient survival. (C) 2014 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.
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