《定位診斷徐評議》ppt課件(文件)
【正文】 (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. ? 下眼瞼以下無動 ,四肢癱 ,不語 ,清醒 Lockedin syndrome ? The pathways for eye movement are spared, so the patient can respond with vertical eye movement and blinking. ? 眼球可動及示意回答 ? infarction BrainstemMedulla延髓 Wallenberg Syn. Nystagmus, vertigo, nausea Vestibular nuclei 1 Wallenberg syndrome 延髓背外側(cè)綜合征 cerebellar posterior and inferior artery had A 閉塞 Affected structures and resultant deficits include: – The vestibular nuclei前庭核 . results in nystagmus眼球震顫 , nausea, vomiting, and vertigo眩暈 . – The inferior cerebellar peduncle小腦下腳 . Lesions result in ipsilateral cerebellar signs [同側(cè)小腦征損害 ]. 1 Wallenbe
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