4月26日接诊蔡某某，男，45岁，住院号63763。因渐进性肢体发麻无力2月余，吞咽困难20天，加重1周于1996年4月26日入院。患者1月底“感冒”后约1周出现左眼不能闭合，嘴歪向右侧，后自行好转。2月中旬开始左足、右肩发麻无力，不久左手亦发麻。症状逐渐加重，左侧肢体发麻范围 On April 26, Cai Moumou was interviewed, male, 45 years old, hospital number 63763. Due to progressive weakness of the limbs for more than two months, dysphagia was difficult for 20 days, and an increase of one week was admitted on April 26, 1996. The patient’s left eye couldn’t close about 1 week after the “cold” at the end of January, his mouth squinted to the right, and he himself improved afterwards. In the middle of February, the left foot and right shoulder began to numb, and soon the left hand also became numb. Symptoms gradually worsen, left limb numbness range