共同根鞘异常并发坐骨神经痛一例隋庆兰①陈晓亮②郑向阳③共同根鞘异常少见，属正常变异。我们遇到１例并发坐骨神经痛，报告如下：男４２岁。腰痛２年，伴左下肢放射痛５月。查体：脊柱腰段曲度变浅，Ｌ４、５棘突及椎旁压痛明显，并向左下肢放射，腰部背伸受限，左直腿... A common case of common root sheath sciatica with sciatica Sui Qinglan ① Chen Xiaoliang ② Zheng Xiangyang ③ common root sheath abnormalities are common, is a normal mutation. We encountered 1 case of concurrent sciatica, the report is as follows: Male 42 years old. Low back pain for 2 years, with left lower extremity radiating pain in May. Physical examination: spinal lumbar curvature shallow, L4, 5 spinous process and paravertebral tenderness significantly, and to the left lower extremity radiation, waist dorsiflexion limited, left straight leg ...