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《Journal of Xi'an Jiaotong University(Medical Sciences)》 2016-02
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Microsurgery of intra-spinal tumor via the quadrant pathway

BAO Gang;CHEN Chen;LIAN Hai-ping;WANG Ning;LI Chuan-kun;LIAN Min-xue;HE Bai-xiang;Department of Neurosurgery,the First Affiliated Hospital of Xi'an Jiaotong University;  
Objective To investigate the indications,surgical principles and advantages and disadvantages of microsurgery of intra-spinal tumor via the quadrant pathway.Methods We made a retrospective analysis of the clinical data of patients with spinal canal tumors treated via the quadrant pathway from October 2014 to July 2015.Results Totally 16 patients were included.Their tumors were fully removed by microscopic resection,in which there were three epidural cases,twelve subdural extra-medullar cases,and one intra-medullar case.In terms of stage,there were three cases of cervical segment(C3-C7),four cases of thoracic(T1-T10),nine cases of thoracic and lumbar ones(T11-S2).In pathology,there were nine cases of neurilemmoma,two cases of neurofibroma,four cases of meningeal tumor and one case of neuroepithelial cyst.The postoperative symptoms and signs of the patients were significantly improved,and no recurrence or complications occurred in the follow-up2-10 months.Conclusion Quadrant pathway can be used in removing spinal epidural and subdural tumor,which is shorter than two vertebral segments in length,and the cross-sectional area is less than 2/3 of the spinal cord.However,surgery with extensive adhesion and intra-medullary lesions should be performed carefully,and the surgical techniques are more demanding and a longer learning curve is needed.
【CateGory Index】: R739.42
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