Kapoor R, Brown P, Thompson P D, Miller D H
University Department of Clinical Neurology, National Hospital for Neurology and Neurosurgery, London, UK.
J Neurol Neurosurg Psychiatry. 1992 Nov;55(11):1086-8. doi: 10.1136/jnnp.55.11.1086.
The clinical and electrophysiological features of segmental myoclonus affecting the right arm and upper trunk are described in a patient with multiple sclerosis. Electrophysiological studies suggested that the myoclonus was propagated from a generator site in the cervical cord, where lesions were found using MRI. The spread of electromyographic activity in each myoclonic jerk was slow and variable. These findings are characteristic of propriospinal myoclonus, which has not been associated with multiple sclerosis previously.
一名患有多发性硬化症的患者出现了影响右臂和上躯干的节段性肌阵挛，本文描述了其临床和电生理特征。电生理研究表明，肌阵挛是从颈髓的一个起源部位传播而来的，通过磁共振成像（MRI）在该部位发现了病变。每次肌阵挛发作时肌电图活动的传播缓慢且多变。这些发现是脊髓性肌阵挛的特征，此前脊髓性肌阵挛与多发性硬化症并无关联。
