Browse > Article
http://dx.doi.org/10.13104/jksmrm.2014.18.4.362

Isolated Weakness of Radial-side Fingers Due to a Small Cortical Infarction  

Hwang, Kyoung Jin (Department of Neurology, School of Medicine, Kyung Hee University)
Park, Key-Chung (Department of Neurology, School of Medicine, Kyung Hee University)
Chang, Dae-Il (Department of Neurology, School of Medicine, Kyung Hee University)
Yoon, Sung Sang (Department of Neurology, School of Medicine, Kyung Hee University)
Publication Information
Investigative Magnetic Resonance Imaging / v.18, no.4, 2014 , pp. 362-365 More about this Journal
Abstract
Predominant involvement of a particular group of fingers due to a central nervous system lesion has been described as pseudoperipheral palsy. Two patients visited our hospital with isolated weakness of a particular group of fingers due to small cortical infarctions. A 51-year-old woman suddenly developed weakness in her left index and middle fingers. The brain MRI showed a small infarct in the right frontal cortex. A 67-year-old man was sudden difficulty using his chopsticks and had weakness in his right thumb and index finger. The brain MRI showed a small infarct in the left precentral cortex.
Keywords
Cortical infarction; Finger weakness; Topography;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Kim JS. Predominant involvement of a particular group of fingers due to small, cortical infarction. Neurology 2001;56:1677-1682   DOI   ScienceOn
2 Uematsu S, Lesser R, Fisher RS, et al. Motor and sensory cortex in humans: topography studied with chronic subdural stimulation. Neurosurgery 1992;31:59-71; discussion 71-2   DOI
3 White LE, Andrews TJ, Hulette C, et al. Structure of the human sensorimotor system. I: Morphology and cytoarchitecture of the central sulcus. Cereb Cortex 1997;7:18-30   DOI
4 Kim JS, Chung JP, Ha SW. Isolated weakness of index finger due to small cortical infarction. Neurology 2002;58:985   DOI   ScienceOn
5 Kleinschmidt A, Nitschke MF, Frahm J. Somatotopy in the human motor cortex hand area. A high-resolution functional MRI study. Eur J Neurosci 1997;9:2178-2186   DOI
6 Grafton ST, Woods RP, Mazziotta JC. Within-arm somatotopy in human motor areas determined by positron emission tomography imaging of cerebral blood flow. Exp Brain Res 1993;95:172-176
7 Buys EJ, Lemon RN, Mantel GW, Muir RB. Selective facilitation of different hand muscles by single corticospinal neurones in the conscious monkey. J Physiol 1986;381:529-549   DOI
8 Schieber MH. Somatotopic gradients in the distributed organization of the human primary motor cortex hand area: evidence from small infarcts. Exp Brain Res 1999;128:139-148   DOI