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Do folliculo-stellate adenomas of the pituitary gland exist or are they intrasellar meningiomas?


A tumor arising in the pituitary fossa and having some of the histological and ultrastructural features of a recently described tumor, purportedly originating from the folliculo-stellate cells of the anterior pituitary, is presented. The results of our ultrastructural and immunohistochemical studies, however, favored a meningeal origin and suggested that the neoplasm was most likely a secretory meningioma.

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Correspondence to D. S. Horoupian.

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Vogel, H., Horoupian, D.S. & Silverberg, G. Do folliculo-stellate adenomas of the pituitary gland exist or are they intrasellar meningiomas?. Acta Neuropathol 77, 219–223 (1988).

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Key words

  • Meningioma
  • Folliculo-stellate cell
  • Pituitary neoplasm
  • Electron microscopy
  • Immunochemistry