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脊髓内畸胎瘤罕见,仅有文献报告5例,本文报告1例圆椎髓内囊性畸胎瘤,向马尾部发展压迫马尾神经,作者还对该病例进行了MRI随访。 患者,男,47岁。右足底部溃疡8年,进行性右下肢麻木、无力且行走困难,有足底出现其它营养性溃疡2年,逐渐出现尿潴留。神经系统检查:右大腿轻度萎缩,并右下肢无力。两侧L4、L5、S_1神经支配区域浅感觉减退,位置和震动觉正常,右侧膝反射减弱,双侧跟腱反射消失。脊椎X线平片显示L1、L2、L3、L4椎体后缘内凹,L1、L2、L3双侧椎弓根被侵蚀。右脚X线检查示第4、5跖骨骨干骨坏死。MR扫描示T12～L4硬脊膜内肿物,向前挤压圆椎。在T_1
Spinal cord teratoma is rare, only the literature reported in 5 cases, the paper reported a case of intramedullary cystic teratoma, the cauda equina cauda equina nerve compression, the authors also conducted a follow-up MRI. Patient, male, 47 years old. Right foot ulcer at the end of 8 years, progressive right lower limb numbness, weakness and difficulty walking, there are other vegetative ulcers 2 years, and gradually urinary retention. Nervous system examination: Mild atrophy of the right thigh and weakness of the right lower limb. L4, L5, S_1 on both sides of the innervation of the shallow feeling of subduction, normal position and vibration, decreased right knee reflex, bilateral Achilles tendon reflex disappeared. Spine X-ray showed L1, L2, L3, L4 posterior vertebral concave, L1, L2, L3 bilateral pedicle erosion. Right X-ray examination revealed 4,5 metatarsal bone necrosis. MR scan showed T12 ~ L4 dura mater, squeeze the vertebra forward. At T_1