1入院诊断患者女,19岁,2009年12月开始长期口服泼尼松,于2010年4月自行停用激素,12月病情加重;2010年12月13日主因“双眼视力障碍1年,双下肢麻木2月伴无力及尿便障碍1周”入院。体检:双瞳孔不等大,左侧直径约5mm,右侧约6mm,双眼眼震(+),右眼视力1.0,左眼视力0.5;右下肢肌力0级,左下肢肌力Ⅰ级,双下肢肌张力增高。T12 1 admitted to the diagnosis of female patients, 19 years old, long-term oral prednisone started in December 2009, self-disable hormone in April 2010, December aggravating; December 13, 2010 the main reason “binocular vision impairment for 1 year, Numbness of lower extremities in February with weakness and urinary problems 1 week ”admission. Physical examination: double pupil unequal, the left diameter of about 5mm, the right about 6mm, binocular nystagmus (+), right eye vision 1.0, left eye vision 0.5; right lower extremity muscle strength 0, left lower limb muscle strength Ⅰ, Lower limb muscle tension increased. T12