TERT promoter mutation is associated with worse prognosis in WHO grade II and III meningiomas

TERT promoter mutation is associated with worse prognosis in WHO grade II and III meningiomas Introduction Transcriptional activating mutations in the promoter region of the telomerase reverse transcriptase (TERT) gene occur at high frequency in various types of solid tumors and have also been reported for meningiomas. Especially for atypical and anaplastic meningiomas, the prognostic relevance of TERT promoter mutation is yet unclear. The present study aimed to analyze the frequency of TERT promoter mutation and define its long-term prognostic significance beyond clinical and histological factors in a cohort of meningiomas WHO grade II and III. Methods Patients undergoing surgical resection of aggressive meningiomas were included. Analysis for C228T and C250T mutation in the TERT promoter region was performed using PCR method. Patients were stratified into two groups (TERT mutated vs. TERT wild type). Univariate analysis was conducted using molecular and histological factors. Results 87 patients with atypical (N = 72) and anaplastic meningiomas (N = 15) were included in the study. TERT pro- moter region was found to be mutated in 4 WHO grade II and 2 WHO grade III meningiomas. TERT promoter mutation was associated with shorter progression free survival than TERT wild type meningiomas (median PFS 12.5 vs. 26 months, p = .004). In the univariate analysis, TERT promoter mutation had http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neuro-Oncology Springer Journals

TERT promoter mutation is associated with worse prognosis in WHO grade II and III meningiomas

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Medicine & Public Health; Oncology; Neurology
ISSN
0167-594X
eISSN
1573-7373
D.O.I.
10.1007/s11060-018-2912-7
Publisher site
See Article on Publisher Site

Abstract

Introduction Transcriptional activating mutations in the promoter region of the telomerase reverse transcriptase (TERT) gene occur at high frequency in various types of solid tumors and have also been reported for meningiomas. Especially for atypical and anaplastic meningiomas, the prognostic relevance of TERT promoter mutation is yet unclear. The present study aimed to analyze the frequency of TERT promoter mutation and define its long-term prognostic significance beyond clinical and histological factors in a cohort of meningiomas WHO grade II and III. Methods Patients undergoing surgical resection of aggressive meningiomas were included. Analysis for C228T and C250T mutation in the TERT promoter region was performed using PCR method. Patients were stratified into two groups (TERT mutated vs. TERT wild type). Univariate analysis was conducted using molecular and histological factors. Results 87 patients with atypical (N = 72) and anaplastic meningiomas (N = 15) were included in the study. TERT pro- moter region was found to be mutated in 4 WHO grade II and 2 WHO grade III meningiomas. TERT promoter mutation was associated with shorter progression free survival than TERT wild type meningiomas (median PFS 12.5 vs. 26 months, p = .004). In the univariate analysis, TERT promoter mutation had

Journal

Journal of Neuro-OncologySpringer Journals

Published: May 28, 2018

References

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