复习相关文献，讨论原发性舌咽神经痛的治疗进展以及内镜下经颅舌咽神经切断术的优势。
Through reviewing pertinent literature, we discussed the therapeutic advancement of glossopharyngeal neuralgia and the preponderance of transcranial endoscopic approach of glossopharyngeal neurotomy.
结果发现：（1）同是取自三叉神经痛患者，远颅端患支的脱髓鞘程度较未发病的正常神经更严重；
The result showed: (1) In the same patient alone, the demyelination in the diseased nerve branch was even more serious than that in the undiseased one.
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