患者,男,32岁。主因全身肌肉酸痛无力半年收住院。于半年前患者与同事共进午餐后出现恶心、呕吐、腹痛、腹泻、低热、多汗及全身肌肉酸痛,在当地予洗胃,补液,抗感染等,症状好转出院。当时诊为食物中毒。半年来仍感全身肌肉酸痛,无力,并出现肌肉萎缩,行走困难,且逐渐加重。查体:神志清,语言正常,颅神经正常,四肢对称性,弥漫性轻度肌肉萎缩,肌力Ⅳ级,肌张力低,腱反射减弱,病理反射未引 Patient, male, 32 years old. Main body muscle soreness inability to receive hospital for six months. Six months ago, the patient developed nausea, vomiting, abdominal pain, diarrhea, fever, hyperhidrosis and generalized muscle ache after lunch with his colleagues. He was given gastric lavage, fluid replacement and anti-infection locally. At that time diagnosed with food poisoning. Six months still feeling muscle aches, weakness, and muscle atrophy, walking difficulties, and gradually increased. Physical examination: conscious, normal language, normal cranial nerves, limb symmetry, diffuse mild muscular dystrophy, muscle strength grade IV, low muscle tension, tendon reflexes, pathological reflexes not cited