Meningioma

A rare, mostly benign, primary tumor of the meninges (arachnoid cap cells), usually located in the supratentorial compartment, commonly appearing in the sixth and seventh decade of life, clinically silent in most cases or causing hyperostosis close to the tumor and resulting in focal bulging and localized pain in less than 10% of cases. Additional features may include headache, seizures, gradual personality changes (apathy and dementia), anosmia, impaired vision, exophthalmos, hearing loss, ataxia, dysmetria, hypotonia, nystagmus, and rarely spontaneous bleeding.

Gliosis

Gliosis is the focal proliferation of glial cells in the central nervous system.

Total: 3

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PMID (PMCID)
8259225	MALE	Adult
	[A case of intraventricular cystic meningioma].
	Yasuma Y, Mori K, Maeda M. No Shinkei Geka. 1993;21(12):1131-5.
	Histological examination revealed meningotheliomatous meningioma in the solid tumor and only gliosis in the wall of the cyst.
1932442	FEMALE	Middle Aged
	The occurrence of Rosenthal fibres in the brain tissue around meningioma.
	Dmitrovic B, Jadro-Santel D, Zarkovic K. Neurol Croat. 1991;40(3):181-6.
	The occurrence of the pilocytic astrocytes and Rosenthal fibres in the gliotic tissue around slow-growing falx meningioma is an additional evidence for a peculiar type of changes in astrocytes of the long-standing gliosis of piloid type.
2154868	FEMALE
	Convexity meningioma and glioblastoma in collision.
	Vaquero J, Coca S, Martinez R, Jimenez C. Surg Neurol. 1990;33(2):139-41.
	This case supports the possibility of a malignant transformation within the gliosis surrounding a convexity meningioma.