病人男性,18岁。经常头晕,逐渐讲话不清,学习成绩差1年。查体:表情淡漠,言语含糊不清,定向力差,计算力差,四肢肌力级,四肢肌张力增高,两腕关节,肘关节肌张力齿轮状增高,四肢腱反射亢进,两侧Hoffmonn′ssign(+),Rossolimo′sSign(+),Romberg′s(+),指鼻试验不准确,走路不够... Patient Male, 18 years old. Often dizzy, gradually speechless, poor academic performance for 1 year. Physical examination: indifferent expression, vague language, poor orientation, poor calculation, muscle strength of limbs, limb muscle tension increased, the two wrist joints, elbow muscle tension increased gear, limb tendon hyperreflexia, both sides of the Hoffmonn ’ ssign (+), Rossolimo’sSign (+), Romberg’s (+), finger nasal test is not accurate, walk enough ...