High-Grade Glioma is not a Feature of Neurofibromatosis Type 2 in the Unirradiated Patient.

Research output: Contribution to journalArticle

  • External authors:
  • Rutherford SA
  • Hammerbeck-Ward C
  • Lloyd SK
  • Freeman SM
  • Rodriguez-Valero M
  • Thomas OM
  • Laitt RD
  • Kellett M
  • Evans DG

Abstract

Background
The Manchester criteria for Neurofibromatosis Type 2 (NF2) includes a range of tumours, and gliomas were incorporated in the original description. The gliomas are now widely accepted to be predominantly spinal cord ependymomas.
Object
We have reviewed our database to determine whether these gliomas includes any cases of malignant glioma (WHO grade III and IV).
Methods
The prospective database consists of 1253 patients with NF2. 1009 are known to be alive at last follow up.
Results
There was a single case of glioblastoma multiforme (GBM; WHO grade IV) in the series and no WHO grade III gliomas The GBM was in a patient who had previously undergone stereotactic radiosurgery for a vestibular schwannoma.
Conclusions
High grade gliomas are not a feature of NF2 in the unirradiated patient and should be excluded from the diagnostic criteria.

Bibliographical metadata

Original languageUndefined
JournalNeurosurgery
Early online date21 Jul 2017
DOIs
Publication statusPublished - 1 Aug 2018

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