Meningioma (Dural Endothelioma) of the Optic Nerve

Abstract
The purpose of this paper is to report a case of optic nerve meningioma observed in a child at age 11 years and subsequently 17 years later. Certain unusual features have seemed instructive to us. Brief mention of this case has been made elsewhere.* Optic nerve tumors were classified by Leber in 1877 as intradural and extradural (Hudson). In 1902, Byers collected all reported optic nerve tumors. He considered them as fibromas (see Hudson). In 1912, Hudson1 classified optic nerve tumors as gliomas, meningiomas, and fibromas. Writing in Penfield's "Cytology and Cellular Pathology of the Nervous System," Verhoeff,2 in 1932, followed Hudson's classification. In 1938, Cushing and Eisenhardt3 published a monograph on meningiomas and included several cases of interest in regard to the case here reported. Davis,4 in 1939, wrote regarding primary tumors of the optic nerve and emphasized particularly the coexistence of neurofibromatosis and gliomas

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