Motor recovery in a patient with an infarct in the medullary pyramid via the corticospinal tract passing through the small spared area within the infarcted medullary pyramid

Title
Motor recovery in a patient with an infarct in the medullary pyramid via the corticospinal tract passing through the small spared area within the infarcted medullary pyramid
Author(s)
장성호권혁규
Keywords
CORONA RADIATA INFARCT; DIFFUSION-TENSOR-TRACTOGRAPHY; MAGNETIC-STIMULATION; PERIINFARCT REORGANIZATION; INTRACEREBRAL HEMORRHAGE; UNAFFECTED HEMISPHERE; FUNCTIONAL MRI; HUMAN BRAIN; STROKE; TRACKING
Issue Date
201106
Publisher
SHENYANG EDITORIAL DEPT NEURAL REGENERATION RES
Citation
NEURAL REGENERATION RESEARCH, v.6, no.15, pp.1185 - 1188
Abstract
The present study reported a 58-year-old male patient who exhibited complete paralysis of the right extremities at stroke onset. Brain MR images showed an infarct in the left medullary pyramid and a small spared area on the medial side of the infarct. He gained the ability to extend the affected fingers against gravity and to dorsiflex the affected ankle without gravity at 3 months after stroke onset. Diffusion tensor imaging results showed that at 6 months after stroke onset, the corticospinal tract of the affected (left) hemisphere descended through the small spared area of the infarcted medullary pyramid. No motor-evoked potential was elicited from the affected (left) hemisphere at 2 weeks after stroke onset; however, motor-evoked potential was elicited at 6 months as shown by transcranial magnetic stimulation results. The motor function of the affected side of this patient appears to have been recovered via the corticospinal tract that passed through the small spared area within the infarcted medullary pyramid.
URI
http://hdl.handle.net/YU.REPOSITORY/25099http://dx.doi.org/10.3969/j.issn.1673-5374.2011.15.012
ISSN
1673-5374
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의과대학 > 재활의학교실 > Articles
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