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July 1928

The Meningiomas Arising from the Olfactory Groove and Their Removal by the Aid of Electrosurgery. MacEwen Memorial Lecture, 1927.

Arch NeurPsych. 1928;20(1):233-234. doi:10.1001/archneurpsyc.1928.02210130240024

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This small pamphlet of fifty-three pages is the subject of the MacEwen Memorial Lecture, 1927, delivered by Harvey Cushing. There is an attractive introduction in which the author traces the influence of the Glasgow School on surgery, particularly neurosurgery. He then gives an interesting description of meningiomas occurring in the olfactory groove, which, according to him, have a syndrome no less characteristic than primary suprasellar lesions. These tumors arise from the meninges of the anterior fossa of the skull, usually, though not always, in the midline. They are apt to be firm, even psammomatous in character.

The symptoms in these cases are almost characteristic. They consist of anosmia, usually unilateral but sometimes bilateral, primary atrophy, usually of one optic nerve but sometimes of both, mental symptoms due to involvement of the inferior portion of the frontal lobe and sometimes erosion of the wings of the sphenoidal ridge, with at times

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