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Recovery of a partially damaged corticospinal tract in a patient with intracerebral hemorrhage: a diffusion tensor image study.

Authors
Jang, SH; Byun, WM; Han, BS; Park, HJ; Bai, D; Ahn, YH; Kwon, YH; Lee, MY
Citation
Restorative neurology and neuroscience, 24(1):25-29, 2006
Journal Title
Restorative neurology and neuroscience
ISSN
0922-60281878-3627
Abstract
PURPOSE: We hypothesized that diffusion tensor imaging (DTI) could be useful for exploring corticospinal tract (CST) regeneration if longitudinal changes of diffusion anisotropy can be detected. In this study, we explored the recovery of a CST partially damaged by intracerebral hematoma in a patient by DTI.



METHODS: A 61-year-old female patient and six age-matched control subjects were evaluated. The patient presented with complete paralysis of the left extremities, which occurred at the onset of a spontaneous intracerebral hemorrhage (ICH) in the right corona radiata and internal capsule. Over the five-month period following onset, motor function of the affected extremities slowly recovered to the normal range. Two longitudinal DTIs were acquired from the patient (at 3 weeks and 5 months from onset) and one DTI from the control subjects. Fractional anisotropy (FA) and apparent diffusion coefficient (ADC) were measured using a region of interest (ROI) method.



RESULTS: On the 3-week DTI, FA values of ROIs in the ICH regions in the affected hemisphere were significantly lower, and ADC values of ROIs in the same areas were significantly higher than those of the control subjects (p<0.002). However, both mean FA and ADC values of the affected hemisphere in the 5-month DTI showed no significant differences versus those of the control.
MeSH terms
AgedBrain MappingCase-Control StudiesCerebral Hemorrhage/pathology*Cerebral Hemorrhage/physiopathology*Diffusion Magnetic Resonance Imaging*FemaleFunctional LateralityHumansMiddle AgedPyramidal Tracts/pathologyPyramidal Tracts/physiopathology*Recovery of Function/physiology*Time Factors
PMID
16518025
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
AJOU Authors
안, 영환
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