What every neuropathologist needs to know: Update on cIMPACT-NOW

Gabrielle A. Yeaney, Daniel J. Brat*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


World Health Organization (WHO) central nervous system tumor classification represents the primary source of updates on diagnostic classes, grades, and criteria. However, recent and ongoing advances in molecular pathogenesis warrant more rapid integration into clinical practice between WHO updates. To accomplish this, the consortium to inform molecular and practical approaches to CNS tumor taxonomy-not official WHO (cIMPACT-NOW) was established in 2016. Since then, cIMPACT-NOW has convened 3 separate working committees to address classification and grading questions and challenges. This review covers the progress that these working committees have made on their specific topics.

Original languageEnglish (US)
Pages (from-to)294-296
Number of pages3
JournalJournal of neuropathology and experimental neurology
Issue number4
StatePublished - Apr 1 2019


  • Brain tumor
  • CNS neoplasm
  • Consortium
  • Molecular
  • Taxonomy
  • WHO classification

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Neurology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience


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