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Journal of the Korean Academy of Rehabilitation Medicine 2010;34(1):103-105.
Ipsilateral Motor Evoked Potentials in a Cerebral Palsy Child with Hemispheric Hypertrophy: A case report.
Ihm, Kyoung Jin , Park, Sung Hee , Hwang, Seung Bae , Jo, Dae Sun
1Department of Physical Medicine and Rehabilitation, Research Institute of Clinical Medicine, and Institute for Medical Science, Chonbuk National University Medical School, Korea. shpark0130@jbnu.ac.kr
2Department of Radiology, Research Institute of Clinical Medicine, and Institute for Medical Science, Chonbuk National University Medical School, Korea.
3Department of Pediatrics, Research Institute of Clinical Medicine, and Institute for Medical Science, Chonbuk National University Medical School, Korea.
대뇌반구 과비대 뇌성마비 소아의 동측 운동신경유발전위−증례 보고−
임경진, 박성희, 황승배1, 조대선2
전북대학교 의학전문대학원 재활의학교실, 1영상의학교실, 2소아과학교실, 임상의학 연구소, 의과학 연구소
Abstract
Congenital hemiplegia is a subtype of the cerebral palsies characterized by a predominantly spastic movement affecting on side of the body only. It is caused by brain lesions acquired during the prenatal, perinatal, or neonatal periods. It is generally assumed that the damage to the corticospinal tract accounts for most motor deficits in cerebral palsy patients. Ipsilateral motor evoked potentials are likely to be indicative of a profound functional reorganization of corticospinal projections originating from the undamaged hemisphere. The existence of the ipsilateral motor pathway from the unaffected hemisphere has been reported in hemiplegic cerebral palsy using the transcranial magnetic stimulation technique. Here, we report the case of a hemiparetic patient with severe unilateral brain atrophy including brain stem. Transcranial magnetic stimulation to the hypertrophic hemisphere elicited bilateral motor evoked potentials of the first dorsal interossei and ipsilateral responses were shorter onset latencies, implying direct ipsilateral corticospinal projections from the unaffected hemisphere. (J Korean Acad Rehab Med 2010; 34: 103-105)
Key Words: Corticospinal tract, Cerebral palsy


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