J Clin Neurol.  2007 Mar;3(1):67-69. 10.3988/jcn.2007.3.1.67.

Cerebral Infarction Producing Sudden Isolated Foot Drop

• Ku BD
• Lee EJ
• Kim H

• KMID: 1700691
• DOI: http://doi.org/10.3988/jcn.2007.3.1.67

Abstract

Foot drop usually results from lesions affecting the peripheral neural pathway related to dorsiflexor muscles, especially the peroneal nerve. Although a central nervous system lesion is suspected when there is a lack of clinical evidence for a lower motor neuron lesion, such cases are extremely rare. We describe a patient with sudden isolated foot drop caused by a small acute cortical infarction in the high convexity of the precentral gyrus. This report indicates that a cortical infarction may have to be considered as a potential cause of foot drop.

Keyword

Foot drop; Cortical infarction

MeSH Terms

Central Nervous System
Cerebral Infarction*
Foot*
Humans
Infarction
Motor Neurons
Muscles
Neural Pathways
Peroneal Nerve

Figure

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  Figure 1 Diffusion-weighted imaging of the patient revealed a focal round high-intensity signal in the right precentral gyrus at the high convexity (A) and right periventricular white matter (B).

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