Tentorial Meningioma Associated with Pathological Laughter <b>—Case Report—</b>

Satoshi TSUTSUMI; Shizuo HATASHITA; Yoshiaki KADOTA; Kazuhiro ABE; Hideo UENO

doi:10.2176/nmc.40.272

Neurologia medico-chirurgica

Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105

Case Reports

Tentorial Meningioma Associated with Pathological Laughter

—Case Report—

Satoshi TSUTSUMI, Shizuo HATASHITA, Yoshiaki KADOTA, Kazuhiro ABE, Hideo UENO

Author information

Keywords: brain tumor, brainstem, meningioma, pathological laughter, tentorium

JOURNAL OPEN ACCESS

2000 Volume 40 Issue 5 Pages 272-274

DOI https://doi.org/10.2176/nmc.40.272

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Abstract

A 33-year-old male presented with involuntary and inappropriate laughter. Neuroimaging revealed a meningioma ventrolateral to the pons and midbrain, attached to the medial middle tentorium on the left side. The pathological laughter ceased immediately after subtotal removal of the tumor. Pathological laughter may be an early focal sign of a mass compressing ventrolateral brainstem.

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https://creativecommons.org/licenses/by-nc-nd/4.0/

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