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Anterior Corticospinal Tract

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Hyeok Gyu Kwon – One of the best experts on this subject based on the ideXlab platform.

  • Change of the Anterior Corticospinal Tract on the normal side of the brain in chronic stroke patients: Diffusion tensor imaging study
    Somatosensory & motor research, 2014
    Co-Authors: Sung Ho Jang, Hyeok Gyu Kwon

    Abstract:

    We investigated change of the Anterior Corticospinal Tract (CST) on the normal side of the brain in stroke patients, using diffusion tensor Tractography (DTT). We recruited 32 stroke patients and 24 control subjects. Motricity Index and DTT for the whole and Anterior CSTs were evaluated. According to findings, the fiber number of the Anterior CST on the normal side of the brain of stroke patients was related to poor motor function of the affected extremities.

  • Deterioration of pre-existing hemiparesis due to injury of the ipsilateral Anterior Corticospinal Tract
    BMC neurology, 2013
    Co-Authors: Sung Ho Jang, Hyeok Gyu Kwon

    Abstract:

    Background
    The Anterior Corticospinal Tract (CST) has been suggested as one of the ipsilateral motor pathways, which contribute to motor recovery following stroke. In this study, we report on a patient who showed deterioration of pre-existing hemiparesis due to an injury of the ipsilateral Anterior CST following a pontine infarct, as evaluated by diffusion tensor Tractography (DTT).

  • Deterioration of pre-existing hemiparesis due to injury of the ipsilateral Anterior Corticospinal Tract
    BMC Neurology, 2013
    Co-Authors: Sung H Jang, Hyeok Gyu Kwon

    Abstract:

    Background The Anterior Corticospinal Tract (CST) has been suggested as one of the ipsilateral motor pathways, which contribute to motor recovery following stroke. In this study, we report on a patient who showed deterioration of pre-existing hemiparesis due to an injury of the ipsilateral Anterior CST following a pontine infarct, as evaluated by diffusion tensor Tractography (DTT). Case presentation A 55-year-old male patient showed quadriparesis after the onset of an infarct in the right pontine basis. He had history of an infarct in the left middle cerebral artery territory 7 years ago. Consequently, he showed right hemiparesis before onset of the right pontine infarct. Following this, his right hemiparesis deteriorated whereas his left hemiparesis newly developed. The DTTs for whole CST of the right hemisphere in the patient and both hemispheres in control subjects descended through the known CST pathway. By contrast, the DTT for the left whole CST of the patient showed a complete injury finding. The DTTs for the Anterior CST of control subjects passed through the known pathway of the CST from cerebral cortex to medulla and terminated in the Anterior funiculus of the upper cervical cord. However, the DTT for right Anterior CST in the patient showed discontinuation below the right pontine infarct. Conclusion It appeared that the deterioration of the pre-existing right hemiparesis was ascribed to an injury of the right Anterior CST due to the right pontine infarct.

Sung H Jang – One of the best experts on this subject based on the ideXlab platform.

  • Deterioration of pre-existing hemiparesis due to injury of the ipsilateral Anterior Corticospinal Tract
    BMC Neurology, 2013
    Co-Authors: Sung H Jang, Hyeok Gyu Kwon

    Abstract:

    Background The Anterior Corticospinal Tract (CST) has been suggested as one of the ipsilateral motor pathways, which contribute to motor recovery following stroke. In this study, we report on a patient who showed deterioration of pre-existing hemiparesis due to an injury of the ipsilateral Anterior CST following a pontine infarct, as evaluated by diffusion tensor Tractography (DTT). Case presentation A 55-year-old male patient showed quadriparesis after the onset of an infarct in the right pontine basis. He had history of an infarct in the left middle cerebral artery territory 7 years ago. Consequently, he showed right hemiparesis before onset of the right pontine infarct. Following this, his right hemiparesis deteriorated whereas his left hemiparesis newly developed. The DTTs for whole CST of the right hemisphere in the patient and both hemispheres in control subjects descended through the known CST pathway. By contrast, the DTT for the left whole CST of the patient showed a complete injury finding. The DTTs for the Anterior CST of control subjects passed through the known pathway of the CST from cerebral cortex to medulla and terminated in the Anterior funiculus of the upper cervical cord. However, the DTT for right Anterior CST in the patient showed discontinuation below the right pontine infarct. Conclusion It appeared that the deterioration of the pre-existing right hemiparesis was ascribed to an injury of the right Anterior CST due to the right pontine infarct.

  • Identification of the Anterior Corticospinal Tract in the human brain using diffusion tensor imaging.
    Neuroscience letters, 2011
    Co-Authors: Hyeok Gyu Kwon, Dong Gyu Lee, Su Min Son, Woo Mok Byun, Cheol Pyo Hong, Dong-hoon Lee, Saeyoon Kim, Sung H Jang

    Abstract:

    AbsTract The Corticospinal Tract (CST) is generally classified into the crossed lateral CST and the uncrossed Anterior CST. No diffusion tensor imaging study for identification of the Anterior CST in the human brain has been conducted. Using diffusion tensor imaging, we attempted to identify the Anterior CST and investigate the characteristics of the Anterior CST in the normal human brain. We recruited 15 healthy volunteers for this study. Diffusion tensor images were scanned using 1.5 T. For the whole CST, two regions of interest were placed on the CST area of the pons and upper medulla. By contrast, for the Anterior CST, an additional region of interest was given on the Anterior funiculus of the upper cervical cord. The Anterior CSTs, which originated from the cerebral cortex descended through the known pathway of the CST, and terminated in the Anterior funiculus of the upper cervical cord. Compared with whole CSTs, the Anterior CSTs showed decreased fiber number, fractional anisotropy, and apparent diffusion coefficient ( P

Sung Ho Jang – One of the best experts on this subject based on the ideXlab platform.

  • Change of the Anterior Corticospinal Tract on the normal side of the brain in chronic stroke patients: Diffusion tensor imaging study
    Somatosensory & motor research, 2014
    Co-Authors: Sung Ho Jang, Hyeok Gyu Kwon

    Abstract:

    We investigated change of the Anterior Corticospinal Tract (CST) on the normal side of the brain in stroke patients, using diffusion tensor Tractography (DTT). We recruited 32 stroke patients and 24 control subjects. Motricity Index and DTT for the whole and Anterior CSTs were evaluated. According to findings, the fiber number of the Anterior CST on the normal side of the brain of stroke patients was related to poor motor function of the affected extremities.

  • Deterioration of pre-existing hemiparesis due to injury of the ipsilateral Anterior Corticospinal Tract
    BMC neurology, 2013
    Co-Authors: Sung Ho Jang, Hyeok Gyu Kwon

    Abstract:

    Background
    The Anterior Corticospinal Tract (CST) has been suggested as one of the ipsilateral motor pathways, which contribute to motor recovery following stroke. In this study, we report on a patient who showed deterioration of pre-existing hemiparesis due to an injury of the ipsilateral Anterior CST following a pontine infarct, as evaluated by diffusion tensor Tractography (DTT).