【正文】 y 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(jué)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 ) ? Ipsilateral ataxia(cerebellar signs,同側(cè)小腦征 ) (2): Lockedin syndrome 閉鎖綜合征 ? a lesion of the ventral pons interrupts , ? corticobular and corticospinal pathways, with sparing of brain reticular pathways. ? 雙側(cè)腦橋損害 ,腦干網(wǎng)狀結(jié)構(gòu)完好 ? The patient is alert but unable to respond with speech or facial or limb movements. Mute and paralysed. ? 下眼瞼以下無(wú)動(dòng) ,四肢癱 ,不語(yǔ) ,清醒 Lockedin syndrome ? The pathways for eye movement are spared, so the patient can respond with vertical eye movement and blinking. ? 眼球可動(dòng)及示意回答 ? infarction BrainstemMedulla延髓 Wallenberg Syn. Nystagmus, vertigo, nausea Vestibular nuclei 1 Wallenberg syndrome 延髓背