1　病例报告 :患者女 ,51岁。因口干 ,肢体无力 1 0个月 ,伴咳嗽、间断咯血半年 ,睁眼费力 2 0 d于 1 999-0 6-0 5入院。患者入院前 1 0个月自感口干、下肢无力 ,后逐渐出现双下肢无力并逐渐加重 ,未予诊治 ,仍坚持一般体力劳动。半年前出现咳嗽、间断咯血 ,每日 3～ 4口。无发 1 Case report: Female patient, 51 years old. Due to dry mouth, limb weakness for 10 months, with cough, intermittent hemoptysis for half a year, blinking 20 days into the hospital from 1 999-0 6-0. Ten months before admission, the patient felt dry mouth and weakness in his lower extremity, gradually developed weakness in both lower extremities and gradually worsened. He did not seek treatment, and he still insisted on general physical labor. Half a year ago, coughing and intermittent hemoptysis occurred 3 to 4 times a day. No hair