病例资料男性,52岁,慢性腹痛、腹泻、里急后重、粘液便6年余。每日发作3～4次,每次3～5天。发病后即服痢特灵,每口3～4次,每次2～片,症状能控制。6年中共服总量约4000片(400g)(?)近一年来相继出现双足、双手对称性麻木,渐加重,痛觉消失,近半月无诱因出现全身痉挛性抽搐,尤以双上肢为著,历时2h缓解。发作时神志清 Case information Male, 52 years old, chronic abdominal pain, diarrhea, tenesmus, mucus will be more than 6 years. Attack 3 to 4 times a day, each 3 to 5 days. After the onset of furazolidone, each 3 to 4 times, each 2 ~ tablets, symptoms can be controlled. 6 years, the total amount of about 4,000 servings (400g) (?) Have emerged in recent years, feet, hands symmetry numbness, gradually heavier, pain disappeared, nearly half a year of no incentive to convulsive spasms, especially in the upper extremities , Which lasted 2h relief. Sense when the attack clear