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滑车神经(trochlear nerve,IV),包含运动纤维,起自滑车神经核,其毗邻中脑动眼神经核下端、四叠体下丘脑的导水管四周,主要支配上斜肌。滑车神经是十二对颅神经中最细小的神经,单纯损伤较少见,其损伤可导致垂直性及旋转性复视。脑干梗死也可导致眼肌麻痹,临床上较多见,故容易将滑车神经麻痹误诊为脑干梗死。现将1例诊治经过报告如下。
The trochlear nerve (IV), containing the motile fibers, starts from the trochlear nerve nucleus, which borders the lower end of the central nucleus of the nucleus oculomotor nucleus. The aqueduct of the quadruplex hypothalamus is surrounded by a predominantly upper oblique muscle. Toothed nerve is the smallest of twelve cranial nerves, simple injury is rare, the damage can cause vertical and rotational diplopia. Brainstem infarction can also lead to ophthalmoplegia, clinically more common, it is easy to block the nerve paralysis misdiagnosed as brainstem infarction. Now one case of diagnosis and treatment after the report is as follows.