病例报告:患者,女,18岁。因四肢发僵,活动不灵3年,口渴多饮、多尿、多食1年入院。入院前3年渐出现右上肢发僵,活动不灵,抖动,伴头昏、记忆力减退、学习成绩下降。1年后陆续出现左上肢及两下肢不自主抖动,步态不稳,说话不流利,流涎、傻笑、情绪不稳定。入院前1年开始常感口渴多饮 Case report: Patient, female, 18 years old. Due to stiff limbs, activities are not working for 3 years, thirsty drink, polyuria, eat more than 1 year admission. 3 years before admission, her upper extremity became stiff, the activity was not good, jitter, dizziness, memory loss, and her academic performance declined. One year later, the left upper extremity and the lower extremities involuntarily jittered, the gait was unstable, the speech was not fluent, the drooling, the giggle, the emotionally unstable. One year before admission, I often feel thirsty and drinkable