Primitive Neuroectodermal Tumor of the Meninges: An Histological, Immunohistochemical, Ultrastructural, and Cytogenetic Study.

@article{Papotti1998PrimitiveNT,
  title={Primitive Neuroectodermal Tumor of the Meninges: An Histological, Immunohistochemical, Ultrastructural, and Cytogenetic Study.},
  author={Mauro Papotti and Giancarlo Abbona and Alberto Pagani and Guido Monga and Gianni Bussolati},
  journal={Endocrine pathology},
  year={1998},
  volume={9 3},
  pages={275-280}
}
We report a case of primitive neuroectodermal tumor (PNET) arising from the meninges in a 30-yr-old female patient whose clinical and radiological features were consistent with meningioma. The neoplasm was composed of primitive small, round cells, growing in sheets and nests in continuity with meningeal layers. Ultrastructurally, the neoplastic cells were characterized by large and regular nuclei, primitive cytoplasm with pools of glycogen, and lack of dense core granules. The neuroectodermal… CONTINUE READING

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