Unusual pericytic proliferation in a meningotheliomatous meningioma: an ultrastructural study.

@article{Mirra1982UnusualPP,
  title={Unusual pericytic proliferation in a meningotheliomatous meningioma: an ultrastructural study.},
  author={SuzanneS. Mirra and Margaret L. Miles},
  journal={The American journal of surgical pathology},
  year={1982},
  volume={6 6},
  pages={
          573-80
        }
}
Hemangiopericytomas are controversial tumors of the central nervous system and are regarded by many neuropathologists as variants of meningioma. A unique vascular change which may have bearing on this relationship was encountered in a sphenoid wing meningioma in a 93-year-old man. By light and electron microscopy, the tumor showed classical features of a meningotheliomatous meningioma. In addition, however, there was striking proliferation of small dark cells within vessel walls, extending into… CONTINUE READING
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