Transient hemiglossal denervation during acute internal capsule infarct in the setting of dysarthria-clumsy hand syndrome

A case of MR imaging-documented transient unilateral tongue denervation presenting during acute internal capsule infarction is described. Understanding the corticolingual pathway innervation of the hypoglossal nucleus is essential for explaining these findings. Awareness of the findings in this case...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 2010-08, Vol.31 (7), p.1266-1267
Main Authors: Titelbaum, David S, Sodha, N B, Moonis, M
Format: Article
Language:English
Subjects:
Acute Disease
Aged
Cerebral Infarction - complications
Cerebral Infarction - pathology
Dysarthria - etiology
Dysarthria - pathology
Efferent Pathways - pathology
Hand - innervation
Head and Neck
Humans
Hypoglossal Nerve Diseases - etiology
Hypoglossal Nerve Diseases - pathology
Internal Capsule - pathology
Magnetic Resonance Imaging
Male
Movement Disorders - etiology
Movement Disorders - pathology
Tongue - innervation
Transcranial Magnetic Stimulation
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Description
Summary:A case of MR imaging-documented transient unilateral tongue denervation presenting during acute internal capsule infarction is described. Understanding the corticolingual pathway innervation of the hypoglossal nucleus is essential for explaining these findings. Awareness of the findings in this case will facilitate appropriate diagnosis, provide neuroanatomic explanation, and prevent misdiagnosis.
ISSN:0195-6108
1936-959X
DOI:10.3174/ajnr.A1874