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1 神经系统病变神经系统病变与眼肌麻痹的关系很复杂.动眼、滑车和外展神经受损时发生眼球运动障碍(即眼肌麻痹)及瞳孔散缩功能异常.中脑病变、颅动静脉畸形、痛性服肌麻痹(有报道“其病因多为非特异性炎性肉芽肿,俞子彬等则认为本征的病因及发病机制是海绵窦及其附近非特异性炎症免疫及应性疾病)可引起动眼神经麻痹.外展神经受损害引起的眼肌麻痹可见于桥脑病变、颅底转移癌、颅内压增高等.滑车神经单独受损害的情况很少见、蛛网膜下腔出血,患者约半数有Ⅲ、IV脑神经麻痹、视神经萎缩、偏盲、听力障碍及眩晕.
1 Nervous System Lesions Nervous system lesions and the relationship between ophthalmoplegia is very complex. Ocular motor block, block and abducens nerve damage eye movement disorders (ie, ophthalmoplegia) and mydriatic dysfunction. Venous malformations, painful muscle paralysis (reported "mostly etiology non-specific inflammatory granuloma, Yu Zibin, etc. that the etiology and pathogenesis of the intrinsic cavernous sinus and its vicinity of non-specific inflammatory immune and adaptive disease) may Causing oculomotor nerve paralysis.Extended nerve damage caused by ophthalmoplegia can be found in pontine lesions, skull base metastases, increased intracranial pressure, etc. Torso nerves were impaired by the injury alone is rare, subarachnoid hemorrhage, About half of patients with Ⅲ, IV cranial nerve palsy, optic atrophy, hemianopia, hearing loss and dizziness.