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.

Nevus

A nevus is a type of hamartoma that is a circumscribed stable malformation of the skin.


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PMID (PMCID)
12140442
 FEMALE
Cutaneous lipomatous neurofibroma.
Val-Bernal JF, de sa Dehesa J, Garijo MF, Val D.
Am J Dermatopathol. 2002;24(3):246-50.
The main differential diagnosis embraces neurocristic cutaneous hamartoma, lipoma and its variants, cutaneous meningioma, and neural nevus with fat replacement.
9411364
 FEMALE Middle Aged
[Nevus of Ota. Presentation of a case associated with a cellular blue nevus with suspected malignant degeneration and review of the literature].
Bisceglia M, Carosi I, Fania M, Di Ciommo A, Lomuto M.
Pathologica. 1997;89(2):168-74.
Sometimes the finding of a variously pigmented typical cellular blue nevus in the skin and alternatively that of heavily pigmented melanocytoma in the eye ("nevus magnocellularis") or in the meninges (so-called "melanotic meningioma") are respectively observed.
1395338
 FEMALE Adult
[A case of giant pigmented nevus with multiple meningiomas].
Hara M, Okabe T, Inafuku T, Hamaguchi K, Yamada F.
Rinsho Shinkeigaku. 1992;32(4):457-60.
Considering that both giant pigmented nevus and meningioma originate from neural crest, they appear to be closely related each other.
1395338
 FEMALE Adult
[A case of giant pigmented nevus with multiple meningiomas].
Hara M, Okabe T, Inafuku T, Hamaguchi K, Yamada F.
Rinsho Shinkeigaku. 1992;32(4):457-60.
Such a combination of giant pigmented nevus and meningioma has not yet been reported.
6738796
 MALE Middle Aged
[Meningioma following irradiation for vascular nevus. A case report].
Iwai T, Hattori T, Sakai N, Yamada H.
No Shinkei Geka. 1984;12(4):499-504.
[Meningioma following irradiation for vascular nevus.
6738796
 MALE Middle Aged
[Meningioma following irradiation for vascular nevus. A case report].
Iwai T, Hattori T, Sakai N, Yamada H.
No Shinkei Geka. 1984;12(4):499-504.
A case of meningioma that developed 37 years after irradiation therapy for vascular nevus of the scalp over the right frontoparietal region was reported.
6738796
 MALE Middle Aged
[Meningioma following irradiation for vascular nevus. A case report].
Iwai T, Hattori T, Sakai N, Yamada H.
No Shinkei Geka. 1984;12(4):499-504.
However, a meningioma following irradiation therapy for vascular nevus of scalp or face is exceedingly rare.