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The subject had no history of previous trauma. Tambe et al. speculated that the loose body had recently migrated from another location where it had resided asymptomatically for years. The posterior compression and stenosis had been attributed preoperatively to infolding of the ligamentum flavum.

患者既往没有外伤史，Tambe等人推测游离体是几年前就存在于某个部位而没有相应症状，但最近游离到椎管内同时术前黄韧带的折叠并马尾从后面受到压迫造成椎管狭窄而产生症状。

The subject had no history of preious trauma. Tambe et al. speculated that the loose body had recently migrated from another location where it had resided asymptomatically for years. The posterior compression and stenosis had been attributed preoperatiely to infolding of the ligamentum flaum.

患者既往没有外伤史，Tambe等人推测游离体是几年前就存在于某个部位而没有相应症状，但最近游离到椎管内同时术前黄韧带的折叠并马尾从后面受到压迫造成椎管狭窄而产生症状。

All right hind knees were made in this way: the auterior wall of suprapatellar bursae was scraped, the posterior wall of suprapatellar bursae and the infrapatellar fat pad were cut off.

手术切开右后膝关节，搜刮髌上囊前壁，切除大部分髌上囊后壁滑膜和髌下脂肪垫，术毕用长腿管形石膏固定右后肢膝关节于伸直位。

The saphenous nerve courses posterior to the sartorius muscle, then pierces the fascia lata between the tendons of the sartorius and gracilis muscles, and becomes subcutaneous on the medial aspect of the leg; on the medial aspect of the knee it gives off a large infrapatellar branch to supply the skin over the anteromedial aspect of the knee.

隐神经先走行于缝匠肌后方，穿过缝匠肌和股薄肌腱间深筋膜后则位于小腿内侧皮下；并于膝关节内侧分出粗大的髌下支支配膝关节前内侧皮肤。

The saphenous nere courses posterior to the sartorius muscle, then pierces the fascia lata between the tendons of the sartorius and gracilis muscles, and becomes subcutaneous on the medial aspect of the leg; on the medial aspect of the knee it gies off a large infrapatellar branch to supply the skin oer the anteromedial aspect of the knee.

隐神经先走行于缝匠肌后方，穿过缝匠肌和股薄肌腱间深筋膜后则位于小腿内侧皮下；并于膝关节内侧分出粗大的髌下支支配膝关节前内侧皮肤。

The skin puncture point had been located in this scope: the 10th or 11th intercostals, inner from postaxillary line and out of infrascapular line. The targeted puncture access is superior posterior calyx under B-ultrasound guidance. The lithotripsy device which we employed was U-100 Frequency-Doubled Double-Pulse Nd:YAG laser.

穿刺点选择在肩胛下线和腋后线之间第10、11肋间，超声定位下穿刺后组上盏建立通道，使用U-100双频双脉冲Nd：YAG激光碎石。

Results MRI appearances of acoustic neuromas were:（1）The turmor's growth round the internal auditory canal,the Ⅶ,Ⅷ nerves affected side were thickened than that of opposite side.There was no marked demarcation between the main bodies of the tumors and the affected nerves.The connection between tumors and affected nerves could be showed at contrast enhanced imaging.（2）The tumors were of hypo or isohypo intensity on T1 weighted images and hyper or iso hyper intensity on T2 weighted images.（3）After Gd DTPA administration the tumors were homogeneously or inhomogeneously or circularly enhanced.（4）The margins of the tumors were smooth and well delineated.（5）The affected internal auditory canal usually became shorter in depth and larger in posterior anterior diameter.（6）MRI appearances of micro acoustic neuromas were that the affected Ⅶ,Ⅷ nerves were normal in size or nodularly thickened and the tumor reveaed nodular or point enhancement at contrast enhanced MRI.

结果 听神经瘤的MRI表现主要为：（1）肿瘤以内听道为中心生长，第Ⅶ、Ⅷ神经束较对侧增粗，与肿瘤主体多无明确分界，增强后可见两者相连，颇为特征；（2）肿瘤在T1加权图像上呈低信号、略低信号或低等混合信号，T2加权呈高信号或高等混合信号；（3）注射Gd DTPA后肿瘤呈均匀、不均匀或环状强化；（4）肿瘤边界清晰，边缘光整；（5）绝大多数肿瘤患侧内听道前后径扩大，深径缩短；（6）微小听神经瘤的MRI表现为第Ⅶ、Ⅷ神经束正常或局部结状增粗，造影后呈结节状或点状增强。

Judging from the improved degrees of occlusion relationship,it seems that the improvement of anterior segment is better than that of posterior segment;the improvement of intraarch relationship is better than that of interarch: the improvement of buccal relationship is better than that of lingual.

合关系的改善程度，是前牙优于后牙；牙合内优于牙合间，颊侧优于舌侧。

The interarch relationships of the anterior segment registered the highest (from 10.7%to 78.6%).Buccal relationships in the posterior segment produced higher scores than the lingual segment.

其中前牙邻接关系的改善最大从10.7%增加到78.6%；后牙段邻接关系的改善高于颊舌侧关系的改善。

BACKGROUND: Posterior lumbar interbody fusion has been an effective method for treating the instability of the lumbar spine.

背景：椎间融合术已成为治疗腰椎不稳症的有效方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。