Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction

A 76-year-old man with essential hypertension abruptly presented with slight left-sided leg weakness, despite normal strength in the other extremities. Left-sided Babinski's reflex was detected. There were no other neurologic abnormalities. Cranial magnetic resonance imaging demonstrated a smal...

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Main Authors: Hiromasa Tsuda, Kozue Tanaka, Shuji Kishida
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Case Reports in Medicine
Online Access:http://dx.doi.org/10.1155/2012/758482
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author Hiromasa Tsuda
Kozue Tanaka
Shuji Kishida
author_facet Hiromasa Tsuda
Kozue Tanaka
Shuji Kishida
author_sort Hiromasa Tsuda
collection DOAJ
description A 76-year-old man with essential hypertension abruptly presented with slight left-sided leg weakness, despite normal strength in the other extremities. Left-sided Babinski's reflex was detected. There were no other neurologic abnormalities. Cranial magnetic resonance imaging demonstrated a small infarction in the lower lateral medulla oblongata on the left side. Cranial magnetic resonance angiography demonstrated an absence of flow of the left vertebral artery. He became asymptomatic within 10 days under intravenous antiplatelet agent. The corticospinal tract fibers innervating the lower extremity caudal to the pyramidal decussation might be involved. We emphasize that this is a first reported case of pure motor monoparesis in the leg due to lateral medullary infarction.
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spelling doaj-art-8ea6ad9d01a448db8349814ef25f14762025-02-03T01:23:24ZengWileyCase Reports in Medicine1687-96271687-96352012-01-01201210.1155/2012/758482758482Pure Motor Monoparesis in the Leg due to a Lateral Medullary InfarctionHiromasa Tsuda0Kozue Tanaka1Shuji Kishida2Department of Neurology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, JapanDepartment of Neurology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, JapanDepartment of Neurology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, JapanA 76-year-old man with essential hypertension abruptly presented with slight left-sided leg weakness, despite normal strength in the other extremities. Left-sided Babinski's reflex was detected. There were no other neurologic abnormalities. Cranial magnetic resonance imaging demonstrated a small infarction in the lower lateral medulla oblongata on the left side. Cranial magnetic resonance angiography demonstrated an absence of flow of the left vertebral artery. He became asymptomatic within 10 days under intravenous antiplatelet agent. The corticospinal tract fibers innervating the lower extremity caudal to the pyramidal decussation might be involved. We emphasize that this is a first reported case of pure motor monoparesis in the leg due to lateral medullary infarction.http://dx.doi.org/10.1155/2012/758482
spellingShingle Hiromasa Tsuda
Kozue Tanaka
Shuji Kishida
Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
Case Reports in Medicine
title Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
title_full Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
title_fullStr Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
title_full_unstemmed Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
title_short Pure Motor Monoparesis in the Leg due to a Lateral Medullary Infarction
title_sort pure motor monoparesis in the leg due to a lateral medullary infarction
url http://dx.doi.org/10.1155/2012/758482
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AT shujikishida puremotormonoparesisinthelegduetoalateralmedullaryinfarction