Abstract：Objective To describe a patient with the posterior epidural migration of lumbar intervertebral disc fragment (PEMLIF) and provide systematic literature review , and to analyze the clinical characteristics and treatment of this condition.Methods The clinical data of 1 patient with PEMLIF was retrospectively analyzed in combination with related literature. The patient was presented with left leg pain, swelling, and numbness of 20 days duration. The patient was examined by MR imaging. The scan showed a posteriorly sequestered disc fragment at the L4~5 level. Under a general anaesthetic, the patient underwent posterior lumbar decompression with fusion on January 13, 2015. The posteriorly migrated fragment was removed and sent for pathological examination.Results Three months post-operation, the clinical symptoms were improved significantly. The strength of left quadriceps was about Ⅳ level and the straight-leg raising test of left leg was negative. In addition, the deep tendon reflexes were present and symmetric. Pathological examination demonstrated that the posteriorly migrated fragment was intervertebral disc.Conclusions PEMLIF to the posterior epidural space is a rare event. MR imaging characteristics are difficult to differentiate from cyst, abscess, tumor and hematomas. Enhanced MRI is helpful in differential diagnosis. The diagnosis can be confirmed by pathological examination. Conservative, minimally, open surgery can be selected for treatment. But the therapeutic indications should be master strictly. When cauda equina symptom occurred, an emergency surgery is needed.
王亚朋,张为,安纪龙,张健,丁文元,申勇. 腰椎间盘髓核脱出游离至硬膜囊背侧1例报道并文献复习[J]. 中华解剖与临床杂志, 2016, 21(4): 346-349.
Wang Yapeng, Zhang Wei, An Jilong, Zhang Jian, Ding Wenyuan, Shen Yong. Posterior epidural migration of a lumbar disc fragment: a case report and review of the literatures. Chinese Journal of Anatomy and Clinics, 2016, 21(4): 346-349.
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2016, Vol. 21 
