Motor recovery via aberrant pyramidal tract in a patient with traumatic brain injury A diffusion tensor tractography study

Title
Motor recovery via aberrant pyramidal tract in a patient with traumatic brain injury A diffusion tensor tractography study
Author(s)
장성호여상석
Keywords
CORTICOSPINAL TRACT; MEDIAL LEMNISCUS; CORONA RADIATA; AXONAL INJURY; MAGNETIC STIMULATION; FUNCTIONAL MRI; STEM; LOCATION; INFARCT; STROKE
Issue Date
201301
Publisher
SHENYANG EDITORIAL DEPT NEURAL REGENERATION RES
Citation
NEURAL REGENERATION RESEARCH, v.8, no.1, pp.90 - 94
Abstract
The aberrant pyramidal tract is the collateral pathway of the pyramidal tract through the medial lemniscus in the brainstem. A 21-year-old man presented with right hemiparesis due to a traumatic intracerebral hemorrhage in the left corona radiata. His motor function recovered almost to the normal state at 10 months after onset. Through diffusion tensor tractography, the pyramidal tract in the affected (left) hemisphere showed discontinuation at the pontine level at 13 months after onset. An aberrant pyramidal tract was observed, which originated from the primary motor cortex and the supplementary motor area and descended through the corona radiata, then through the posterior limb of the internal capsule and the medial lemniscus pathway from the midbrain to the pons, finally entered into the pyramidal tract area at the pontomedullary junction. It suggests that the motor functions of the right extremities in this patient had recovered by this aberrant pyramidal tract.
URI
http://hdl.handle.net/YU.REPOSITORY/26774http://dx.doi.org/10.3969/j.issn.1673-5374.2013.01.012
ISSN
1673-5374
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의과대학 > 재활의학교실 > Articles
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