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本文报告了６例腰骶神经根异常并腰椎间盘突出或腰椎椎管狭窄。结合文献复习讨论了神经根变异的分型。Ⅰ型联合神经根畸形；Ⅱ型两神经根自同一椎间孔穿出；Ⅲ型神经根起点异常；Ⅳ型相邻神经根之间有交通支相连。单纯腰骶神经根异常一般无症状，诊断困难。但脊髓造影可提高诊断率。手术治疗关键在于切除椎弓根内侧部，以达到充分减压
This article reports six cases of lumbosacral nerve root abnormalities and lumbar disc herniation or lumbar spinal stenosis. Combined with literature review to discuss the classification of nerve root mutation. Type I joint nerve root deformity; type II nerve root piercing from the same intervertebral foramen; type III nerve root anomaly; type IV adjacent nerve root between the traffic branch. Abnormal lumbosacral nerve root usually asymptomatic, difficult to diagnose. However, myelography can improve the diagnostic rate. Surgical treatment of the key is the removal of the medial pedicle to achieve adequate decompression