Bilateral non-contiguous atypical papillary glioneuronal tumor: case report

Thomas Flannery, Andrew Purce, Jacqueline Harney, Steven McKinstry, James W. Ironside, Brian Herron

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Abstract

Papillary glioneuronal tumor (PGNT) was first described as a distinct clinic-pathological entity by Komori et al. in 1998. Since then it has been included as a mixed neuronal-glial tumor in the revised WHO (2007) classification of central nervous system tumors. On brain imaging, it appears as a demarcated, solid to cystic, contrast-enhancing mass usually located in the temporal lobe. Histologically, it is considered a biphasic tumor characterized by small cuboidal GFAP-positive astrocytes around hyalinised blood vessels and synaptophysin-positive interpapillary collections of neurocytes, large neurons and intermediate-sized "ganglioid cells". Although they are generally regarded as benign WHO Grade I tumors, recent reports have described more pathologically aggressive features. To date, these reports have all been single lesions.

Original languageEnglish
Pages (from-to)77-80
Number of pages4
JournalClinical Neuropathology
Volume31
Issue number2
DOIs
Publication statusPublished - 2012

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Neurology

Cite this

Flannery, T., Purce, A., Harney, J., McKinstry, S., Ironside, J. W., & Herron, B. (2012). Bilateral non-contiguous atypical papillary glioneuronal tumor: case report. Clinical Neuropathology, 31(2), 77-80. https://doi.org/10.5414/NP300391