三叉神经痛是神经内外科及口腔科的常见病之一。较多发生于老年人,目前病因和发病机理尚不明了,可能为多病因。有的学者在手术中发现半月节部位肿瘤、血管畸形等压迫三叉神经根,但多数难以找到明确的病变。有的行微血管减压术后1年内仍复发。目前较多学者认为 Trigeminal neuralgia is one of the common diseases in neurosurgery and dentistry. Occurs more in the elderly, the current etiology and pathogenesis is not clear, may be multiple etiology. Some scholars found in the surgery site of semilunar tumors, vascular malformations such as compression of the trigeminal nerve root, but most are difficult to find a clear pathology. Some patients with microvascular decompression within 1 year after the recurrence. At present, more scholars think