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A radiosurgery treatment planning was performed on the selected nerve segment, its changes of pathology and ultrastructure were observed. Results: Base on the dissection, the rabbits' sciatic nerve was composed of the seventh lumbar nerve and first and second sacral nerves. The sciatic trunk descended in front of the sacroiliac joint and escaped between the sacral bone and ilium, then left the pelvis from the greater sciatic notch. The segment of sciatic trunk which ran between the sacrum and ilium was stable and feasible for localization according to the related bony structures in CT scanning, so it was selected as irradiation target.

结果：通过解剖可见坐骨神经主干由第7腰神经和第1、2荐神经组成，坐骨神经主干从荐髂关节下、荐骨和髂骨之间穿出后，跨过坐骨大切迹的一段坐骨神经主干位置恒定，且有荐骨和髂骨做定位标志，可作为CT定位的照射靶点，单次大剂量照射后镜下可见神经纤维变性坏死。

Methods: 62 AS patients were randomly divided into the treatment group, with routine therapies plus sacroiliac joint injected Zhengqingfengtongning Injection, and the control group with routine medicine only. Some indicators were compared before and alter treatment including visual analog scale, bath ankylosing spondylitis functional index, Bath ankylosing spondylitis functional index, chest expansion, schober's test, erythrocyte sedimentation rate, C reactive protein and the general efficacy.

将患者62例随机分为治疗组32例与对照组30例，治疗组采用常规药物治疗加骶髂关节注射正清风痛宁注射液，对照组仅采用常规药物治疗；比较两组治疗前和治疗后1个月的目测类比评分、Bath强直性脊柱炎功能指数、Bath强直性脊柱炎疾病活动指数、扩胸度、Schober试验、血沉、C反应蛋白和两组总体疗效。

The abnormalities of Perkin's check, Shenton line and Calve line in hip joint showed in screw CT were respectively compared wit...

髋关节X线检查与螺旋CT检测Perkin's方格、Shenton's线、髂颈线比较有显著性差异(P 0 5或 0 1)。

Methods: The fractured pelvis was fixed by external support at the anterior ring and percutaneous sacroiliac canulated screw at the posterior ring.

骨盆前环外固定支架固定，骨盆后环经皮骶髂空心螺钉固定治疗骨盆骨折。

The needle in the gluteus maximus should be placed in the proximal and inner quadrant of the buttock, oer the posterior quarter of the iliac wing, 2 cm inferior and lateral to the posterior superior iliac spine.

参照固定的骨性标志物——髂脊和大转子的位置记录下进针的位置。然后三枚中空的穿刺针依据预先界定的位置分别经皮进入三个筋膜室。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。