患者男性 ,5 0岁 ,因发作性右下肢抽搐多次而于 2 0 0 1年 8月 2 7日来诊。患者既往无颅脑外伤及类似抽搐病史。一年前因“鼻咽癌”行局部放射治疗。近 1个月来多次出现发作性右下肢抽搐 ,开始为右侧足趾抽搐 ,逐渐延展至小腿及大腿部 ,严重发作时波及右上肢 ,约 3～ 5 min后抽 The patient, male, 50 years old, was diagnosed on August 27, 2001 due to multiple seizures of the right lower extremity. The patient had no history of craniocerebral trauma and similar convulsions. A year ago due to “nasopharyngeal carcinoma” line of local radiotherapy. In the past month or so many episodes of paroxysmal right lower extremity convulsions began to twitch to the right toe and gradually extended to the lower legs and thighs, affecting the right upper extremity in a severe attack and pumping about 3 to 5 minutes later