应用CT三维重建技术对290例骶后孔(八髎穴)变异性的研究 |
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作者单位: | ;1.南京中医药大学第三附属医院全国中医肛肠中心;2.南京中医药大学第三附属医院医学影像科;3.南京中医药大学;4.南京市中西医结合医院肛肠科 |
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摘 要: | 目的:通过总结分析骶后孔(八髎穴)的变异率和变异类型,引起临床医师对骶后孔(八髎穴)变异性的重视,为研究取穴方法提供理论基础。方法:对290例行盆腔CT检查患者资料进行三维重建,对骶后孔(八髎穴)的变异情况进行判别、归类、分析。结果:骶后孔(八髎穴)的总变异率为20.34%(59/290),变异类型包括椎体个数变异型(4椎变异、6椎变异)、融合变异型(腰骶融合、骶尾融合、腰骶融合+骶尾融合、腰骶融合+骶椎4变异)和混合型。结论:椎体个数变异型会导致骶神经数量变化,融合变异型和混合型会加大取穴难度,而髂后上棘一般不会发生变异,用于八髎穴取穴定位更佳。髂后上棘连线多位于上髎水平线上;髂骶距中点多位于中髎水平线上。
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关 键 词: | 骶后孔 八髎 骶椎变异 CT三维重建 |
Variation of Locations of Baliao Acupoints in 290 Volunteer Subjects Analyzed by Using Computed Tomography-aided Three-dimensional Reconstruction Technique |
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Institution: | ,National Anus-intestinal Center of Chinese Medicine,the 3rd Affiliated Hospital of Nanjing University of Chinese Medicine,Department of Medical Imageology,the 3rd Affiliated Hospital of Nanjing University of Chinese Medicine,Nanjing University of Chinese Medicine,Department of Anus-intestine,Nanjing Integrated Traditional Chinese and Western Medicine Hospital |
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Abstract: | Objective To observe the variation of sacral vertebrates and foramen involving the bilateral Shangliao(BL 31),Ciliao(BL 32),Zhongliao(BL 33)and Xialiao(BL 34,Baliao acupoints),so as to provide an anatomic basis of acupoint needling in clinical practice.Methods A total of 290patients161men and 129 women,mean age and standard deviation,(63.6±13.3)years old and(59.5±13.3)years old,respectively]with intact pelvic structure were recruited in the present study.Computed tomography(CT)scans of intact pelves were taken using a SOMATOM Definition AS 128 and the acquired signals were imported into Siemens Syngo Inspace platform for 3Dreconstruction,followed by identification,classification and analysis of the variation of sacral foramen(Baliao acupoint).Results The total variation rate of posterior sacral foramen(Baliao acupoint)was 20.34%(59/290).The detected three types of variation were sacral vertebrae number variation(4sacral vertebraes,6sacral vertebraes),fusion variant(lumbosacral fusion,sacrococcygeal fusion,lumbosacral & sacrococcygeal fusion,and lumbosacral fusion & S 4variation)and mixed type.Conclusion Variations of sacral vertebrae including the number and fusion exist in the human body,suggesting an increase of the difficulty of acupoint needling.Since posterior iliac spine does not change generally,it is recommended to be used as a reference point for locating the Baliao acupoint. |
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Keywords: | Posterior sacral foramina Baliao acupoints Variation sacaral vertebrates CT 3D reconstruction |
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