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KMID : 1130620060020020146
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Journal of Clinical Neurology
2006 Volume.2 No. 2 p.146 ~ p.148
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Isolated Weakness of Middle, Ring, and Little Fingers due to a Small Cortical Infarction in the Medial Precentral Gyrus
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Han Young-Su
Ha Sang-Won
Cho Jeong-Seon
Park Sang-Eun
Kim Jung-Mee
Han Jung-Ho
Cho Eun-Kyoung
Kim Doo-Eung
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Abstract
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Small cortical strokes can produce predominant isolated weakness in a particular group of fingers: radial or ulnar. The traditional views are of point-to-point representations of each finger to neurons located in the precentral gyrus of the motor cortex such that the neurons of the radial fingers are located laterally and those of the ulnar fingers are located medially. We present a case of isolated weakness of middle, ring, and little fingers due to a small cortical infarction in the medial precentral gyrus
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KEYWORD
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Cortical infarction, Precentral gyrus, Finger weakness
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