References
Abedalthagafi MS, Merrill PH, Bi WL et al (2014) Angiomatous meningiomas have a distinct genetic profile with multiple chromosomal polysomies including polysomy of chromosome 5. Oncotarget 5:10596–10606
Brastianos PK, Horowitz PM, Santagata S et al (2013) Genomic sequencing of meningiomas identifies oncogenic SMO and AKT1 mutations. Nat Genet 45:285–289
Clark VE, Erson-Omay EZ, Serin A et al (2013) Genomic analysis of non-NF2 meningiomas reveals mutations in TRAF7, KLF4, AKT1, and SMO. Science 339:1077–1080
Couce ME, Aker FV, Scheithauer BW (2000) Chordoid meningioma: a clinicopathologic study of 42 cases. Am J Surg Pathol 24:899–905
Kepes JJ, Chen WY, Connors MH, Vogel FS (1988) “Chordoid” meningeal tumors in young individuals with peritumoral lymphoplasmacellular infiltrates causing systemic manifestations of the Castleman syndrome. A report of seven cases. Cancer 62:391–406
Ketter R, Kim YJ, Storck S et al (2007) Hyperdiploidy defines a distinct cytogenetic entity of meningiomas. J Neurooncol 83:213–221
Louis DN, Perry A, Reifenberger G et al (2016) The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. Acta Neuropathol 131:803–820
Olar A, Wani KM, Wilson CD et al (2017) Global epigenetic profiling identifies methylation subgroups associated with recurrence-free survival in meningioma. Acta Neuropathol 133:431–444
Reuss DE, Piro RM, Jones DT et al (2013) Secretory meningiomas are defined by combined KLF4 K409Q and TRAF7 mutations. Acta Neuropathol 125:351–358
Sahm F, Schrimpf D, Stichel D et al (2017) DNA methylation-based classification and grading system for meningioma: a multicentre, retrospective analysis. Lancet Oncol 18:682–694
Shankar GM, Abedalthagafi M, Vaubel RA et al (2017) Germline and somatic BAP1 mutations in high-grade rhabdoid meningiomas. Neuro Oncol 19:535–545
Smith MJ, O’Sullivan J, Bhaskar SS et al (2013) Loss-of-function mutations in SMARCE1 cause an inherited disorder of multiple spinal meningiomas. Nat Genet 45:295–298
Acknowledgements
This work was supported by the Else Kröner-Fresenius Stiftung (2015_A60 and 2107_EKES.24) and the German Cancer Aid (110983, 111670 and 70112956). We thank Laura Dörner and Hai Yen Nguyen for skillful technical assistance.
Author information
Authors and Affiliations
Corresponding author
Electronic supplementary material
Below is the link to the electronic supplementary material.
Rights and permissions
About this article
Cite this article
Sievers, P., Stichel, D., Hielscher, T. et al. Chordoid meningiomas can be sub-stratified into prognostically distinct DNA methylation classes and are enriched for heterozygous deletions of chromosomal arm 2p. Acta Neuropathol 136, 975–978 (2018). https://doi.org/10.1007/s00401-018-1924-x
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00401-018-1924-x