病历简介患者，男，１５岁，因四肢无力，手足麻木，双小腿疼痛及头痛７天来本院，病前１周曾患“感冒”。既往健康，无毒物接触史及长期服药史，内科查体无阳性体征。四肢肌张力低，四肢腱反射消失，腹壁及提睾反射对称减弱，四肢肌力Ⅱ级。双手大小鱼际肌轻度萎缩。双手... Medical history Brief introduction Patient, male, 15 years old, due to limb weakness, numbness of hands and feet, double leg pain and headache 7 days to our hospital, had a week before the illness “cold.” Past health, non-toxic contact history and long-term medication history, physical examination no positive signs. Limb limb muscle tension is low, limb tendon reflexes disappear, abdominal wall and cremasteric reflex symmetry weakened, muscle strength Ⅱ limbs. My hands were slightly diminished in size. Hands ...