Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid.

@article{Shintaku2007IntraventricularMW,
  title={Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid.},
  author={Masayuki Shintaku and Kenji Hashimoto and Shin-ichiro Okamoto},
  journal={Neuropathology : official journal of the Japanese Society of Neuropathology},
  year={2007},
  volume={27 5},
  pages={448-52}
}
We report a surgical case of intraventricular meningioma that arose in the trigone of the right lateral ventricle of a 61-year-old woman. Local recurrence and metastasis (dissemination) via the CSF to the fourth ventricle developed about 52 months postoperatively. Further subarachnoid dissemination in the pontine base and spinal cord occurred 6 months later. The tumor exhibited a histopathological appearance of transitional meningioma without cellular atypism in the original specimen, but in… CONTINUE READING
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