在腰部脊柱方面 ,脊神经的背根节作为根性症状发生机理的一个重要结构 ,最近已经引起更多的注意。可是 ,关于颈椎背根节的研究报告几乎没有报道。本文的目的是确定背根节解剖位置的正常变化 ,阐明背根节位置与症状之间的关系 ,阐明背根节位置和颈根神经根浸润后临床效应之间的 In the lumbar spine, the dorsal root ganglion of the spinal nerve, an important structure of the mechanism of root symptoms, has drawn more attention recently. However, few reports have been reported on cervical dorsal root ganglia. The purpose of this paper is to determine the normal changes in anatomical location of dorsal root ganglia, to clarify the relationship between dorsal root ganglion position and symptoms and to elucidate the relationship between dorsal root ganglion position and clinical effect after root radicular infiltration