定位診斷徐評(píng)議ppt課件(已修改)
2025-03-05 12:15 本頁面
【正文】 神經(jīng)系統(tǒng)定位診斷 Neural location diagnosis 徐評(píng)議 ? Midbrain 中腦 ? Pons 腦 橋 ? Medulla 延髓 Cross damage ? Same (ipsilateral) ? other (contralateral ) Brain stem brain stemMidbrain中腦 Weber syn: 動(dòng)眼 N與錐體束 Parinaud’s syn 紅核震顫 上丘 1 Weber syndrome:動(dòng)眼 N麻痹 ,對(duì)側(cè)中樞性偏癱 (錐體束 ) Third nerve palsy: ? Unilateral pupil dilated ? None reaction to light(directamp。indirect) ? Associated signs: ptosis(partial or plete), Pyramidal dysfunction Associalted contralateral hemiplegia(對(duì)側(cè)偏癱 ) 2. Parinaud’s syndrome Dorsal midbrain lesion( The superior colliculus and pretectal area,上丘頂蓋 ) ： eyes: upward or downward gaze paralysis. (上下凝視障礙 ) pupillary disturbance(瞳孔散大 ) absence of convergence（輻輳反射缺失） often the result of a pinealoma(松果體瘤） press the epithalamus and subthalamus(上下丘 ) brain stemPons腦 橋 MillardGubler syndrome腦橋腹下 皮質(zhì)脊髓束 內(nèi)側(cè)丘系 外展 N 面 N 上下肢感覺障礙 偏癱 (1):MillardGubler Syndrome ? Anterior inferior cerebellar artery lesion(小腦前下 A) ? 6, 7th cranial nerve damage ipsilateral to side of the lesion(病側(cè) 6,7顱 N) ? Associalted contralateral hemiplegia(對(duì)側(cè)偏癱 )
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1