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Journal of the Korean Academy of Rehabilitation Medicine 2009;33(6):657-663.
Transcallosal Fibers from Corticospinal Tract in Patients with Cerebral Hemorrage.
Kim, Wook Ro , Chang, Min Cheol , Park, Kyung A , Kwak, So Young , Do, Sung Jin , Jang, Sung Ho , Ahn, Sang Ho , Son, Su Min
1Department of Rehabilitation Medicine, Deagu Medical Center, Korea.
2Department of Rehabilitation Medicine, Yeungnam University College of Medicine, Korea. wheel633@gmail.com
뇌출혈 환자에서 피질척수로의 뇌량 연결 섬유와 예후와의 관계
김욱로1, 장민철1, 박경아, 곽소영1, 도성진1, 장성호1, 안상호1, 손수민1
대구의료원 재활의학과, 1영남대학교 의과대학 재활의학교실
To investigate the relationship between the transcallosal fibers (TCFs) from the corticospinal tract (CST) and the motor function of the affected extremities in patients with cerebral hemorrhage, using diffusion tensor image tractography (DTT).
49 patients with cerebral hemorrhage and 38 controls were recruited. DTT was performed using 1.5 T magnetic resonance imaging. The DTT findings were classified into 3 groups according to targeting location: no TCF from the CST (type A), TCF ended in the corpus callosum or connected to the cortex of the opposite hemisphere (type B), and TCF that descending toward the lesion after passing through the corpus callosum (type C).
The TCF originated from the CST of the unaffected hemisphere, and the presence of fiber descending toward the lesion after passing through the corpus callosum were significantly more prevalent in the patients who showed the worse motor function.
The TCF originated from the unaffected CST toward the lesion in patients with cerebral hemorrhage might play a relevant role in compensating motor deficits in the major corticospinal disruption. (J Korean Acad Rehab Med 2009; 33: 657-663)
Key Words: Diffusion tensor image tractography, Cerebral hemorrhage, Corticospinal system, Motor recovery, Transcallosal fiber


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