Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Pseudoperipheral Palsy due to Infarction in the Internal Capsule
Hiroki MasudaShoichi ItoShigeyuki KojimaSatoshi Kuwabara
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JOURNAL OPEN ACCESS

2013 Volume 52 Issue 20 Pages 2347-2349

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Abstract

Pseudoperipheral palsy can be caused by cerebral cortical infarctions; however, it is rarely caused by lacunar infarctions, including those in the posterior limb of the internal capsule. Meanwhile, the somatotopic localization of the corticospinal tract in the posterior limb of the internal capsule remains unknown. We herein report the case of an 81-year-old Japanese woman who presented with a left hand drop. Brain magnetic resonance imaging revealed an acute infarction as the causative lesion at the inferior level of the anteromedial portion of the posterior limb of the right internal capsule. This case report indicates the topography of hand fibers in the internal capsule.

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© 2013 by The Japanese Society of Internal Medicine
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