Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
Case Reports
Tentorial Meningioma Associated with Pathological Laughter
—Case Report—
Satoshi TSUTSUMIShizuo HATASHITAYoshiaki KADOTAKazuhiro ABEHideo UENO
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JOURNALS OPEN ACCESS

2000 Volume 40 Issue 5 Pages 272-274

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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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