Clinical evaluation of a dedicated next generation sequencing panel for routine glioma diagnostics

被引：0
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作者：
Nathalie E. Synhaeve
Martin J. van den Bent
Pim J. French
Winand N. M. Dinjens
Peggy N. Atmodimedjo
Johan M. Kros
R. Verdijk
Clemens M. F. Dirven
Hendrikus J. Dubbink
机构：
[1] Elisabeth Tweesteden Hospital,Department of Neurology
[2] Brain Tumor Center at Erasmus MC Cancer Institute,Department of Neurology
[3] University Medical Center Rotterdam,Department of Pathology
[4] Brain Tumor Center at Erasmus MC Cancer Institute,Department of Neurosurgery
[5] Brain Tumor Center at Erasmus MC Cancer Institute,undefined
来源：
Acta Neuropathologica Communications | / 6卷
关键词：
Glioma; Molecular diagnostics; Next-generation-sequencing;
D O I：
暂无
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摘要：
Since 2013 next-generation sequencing (NGS) targeting genes mutated in diffuse gliomas is part of routine diagnostics in our institute. In the present report, we evaluate the use of this custom tailored NGS platform on 434 samples. The NGS panel assesses mutations in ATRX, CIC, EGFR, FUBP1, NOTCH1, PTEN; H3F3A, IDH1/2, PIK3CA, and BRAF, amplifications in EGFR or MDM2 and copy number alterations (CNA) of chromosome 1p, 7, 10 and 19q. TERT promoter mutations were assessed separately when indicated. Of the 433 samples of individual tumors with NGS data available, 176 cases were diagnosed as grade 2 or 3 glioma (40.6) and in 201 patients a glioblastoma (46.4%). Of the remaining 56 patients, 22 had inconclusive histology. In 378 cases (87.1%) a diagnosis solely based on glioma-targeted NGS could be established and resulted in a different diagnosis in ~ 1/4 of the cases. In 17 out of 22 cases without a conclusive histological diagnosis NGS resulted in a molecular diagnosis.
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