查询词典 posterior

Objective To investigate the clinical features, causes of blindness and diagnosis of Vogt Koyanagi Harada syndrome Methods The data of 157 patients with VKH syndrome were reviewed and analyzed Patients were carefully examined with slit lamp, ophthalmoscope, three mirror lens, fundus fluorescein angiography, indocyanine green angiography and HLA typing Results Headache was noted in 73 5% of these patients Simultaneous involvement of both eyes occurred in 80 8% of these patients Chroiditis,papilledema and edema of the retina adjacent to the optic nerve were noted in 100% of these patients in the posterior uveitis stage, whereas recurrent granulomatous anterior uveitis (98 4%),"sunset glow" fundus (95 8%) and Dalen Fuchs nodules (71 2%) were the common ocular findings in the recurrent anterior uveitis stage The common causes of blindness were papillitis, exudative retinal detachment and complicated cataract in the posterior uveitis stage, anterior uveal involvement stage and its recurrent stage Poliosis (36 3%) and alopecia (35 0%) were the most common extraocular findings Early irregular patches of fluorescence, followed by localized hyperfluorescent spots were the typical findings of FFA Dilation of choroidal vessels and leakage of ICG from the choroidal vessels were the common ICGA findings The prevalence of HLA DR4 and HLA DRw53 in patients (54 9% and 71 8% respectively) was significantly higher than that in controls (14 7% and 38 2% respectively) Conclusions VKH syndrome is characterized by chroiditis, papillitis or neuroretinitis in the posterior uveitis stage, followed by a generalized uveitis with a typical recurrent granulomatous anterior uveitis Extraocular findings and relevant examinations including FFA, ICGA and HLA typing are helpful to the diagnosis of VKH syndrome

目的探讨Vogt-Koyanagi-Harada综合征患者的临床特征、盲目原因及诊断等有关问题。方法对在1996年1月至2000年12月间就诊资料完整的157例VKH综合征患者进行回顾性分析，并对裂隙灯、眼底镜、三面镜、荧光素眼底血管造影(fundus fluorescein angiography，FFA)、吲哚青绿血管造影(indocyanine green angiography，ICGA)及人类白细胞抗原分型等检查结果进行分析。结果 VKH综合征最常见的前驱症状为头痛(102例，73.5%)，双眼同时患病118例(80.8%)；后葡萄膜炎期眼部主要表现为脉络膜炎、视乳头及附近视网膜水肿(100.0%)；前葡萄膜炎反复发作期眼部表现为复发性肉芽肿性前葡萄膜炎(128例，98.4%)、晚霞状眼底改变(95.8%)及Dalen-Fuchs结节(71.2%)；后葡萄膜炎期、前葡萄膜受累期及前葡萄膜炎反复发作期导致盲目的主要原因分别为视乳头炎、视网膜脱离及并发性白内障；毛发变白(36.3%)及脱发(35.0%)是最常见的眼外表现；炎症活动期FFA典型表现为斑驳状高荧光，ICGA发现脉络膜血管扩张、通透性增高等改变；VKH综合征患者HLA-DR4及HLA-DRw53的阳性率(54.9%及71.8%)显著高于正常对照组(14.7%及38.2%)。结论 VKH综合征患者在后葡萄膜炎期眼部典型表现为双侧脉络膜炎、视乳头炎或神经视网膜炎，随后出现以反复发作的肉芽肿性前葡萄膜炎为特征的全葡萄膜炎。眼外症状及相关的辅助检查包括FFA、ICGA 及HLA分型等有助于VKH综合征的诊断。

With the patient prone and the elbow flexed 90 degrees over a support and the forearm dependent, begin a curved skin incision over the center of the posterior surface of the arm at the proximal limit of the triceps tendon, extend it distally to the posterior aspect of the lateral epicondyle, and then farther distally and medially to the posterior border of the ulna, 4 cm distal to the tip of the olecranon Fig.

手术方法：病人俯卧，屈肘90°，置于支架上，前臂下垂。在上臂后侧中央作弧形切口，起自肱三头肌腱上极，向远端延至肱骨外上髁的后侧，向内向下转至尺骨后缘的内侧，止于鹰嘴远端4cm处(图1－105A)。

Modify the model by FreeForm software and dissecte the model of haunch bone; import the 3D visible model of haunch bone into Ansys8.0 software. Add mechanics parameter to the haunch bone model, construct 3D finite element model of acetabulum. 2、On the base of common fracture line of acetabular posterior wall fracture in clinical cases, split the acetabular 3D finite element model according to 1/3, 2/3, 3/3 areas fractures of posterior wall after simplify setting, obtain four types of acetabular posterior wall fracture model(including normal condition of acetabulum).

按髋臼骨折Letournel分类标准并根据临床髋臼后壁骨折病例常见骨折线位置，进行简化设定，依次按后壁1／3，2／3，3／3面积骨折将髋臼三维有限元模型后壁进行拆分，获得三种髋臼后壁骨折状态的有限元模型；再模拟双足直立位对髋骨约束设定，分别对后壁正常及不同面积骨折状态模型进行加载，获取各模型应力分布图并记录臼顶负重区、髋臼前壁和剩余后壁在不同后壁骨折状态下应力分布大小及改变。

Results The rupture of posterior capsule, broken ciliary zonule, prolapse of vitreous during surgery trauma after surgery, type and material of intraocular lens were mainly causes of posterior chamber IOL dislocation. Pupillary dilatation with 1% tropicamide was achieved on 2 of 23eyes, Simple-replace of the IOL was performed succesfully on 10 eyes, anterior IOLs were implanted on 4 eyes, posterior IOLs were implanted on 4 eyes, and the IOL was removed on 3 eye.

结果 手术中后囊膜破裂、悬韧带离断、玻璃体脱出、手术后外伤及人工晶状体的材料和类型是后房型人工晶状体脱位的主要原因。23眼中2眼用1%托吡卡胺扩瞳后自行复位；10眼单纯手术复位成功；4眼更换前房型人工晶状体；4眼更换后房型人工晶状体；3眼取出人工晶状体后未再植入。

One line from inferior edge of anteroinferior iliac spine to the crossing point of posterior gluteal line and posterior iliac crest was defined as A line, which was parallel to the Chiotic line (the crossing point of Chiotic line and posterior iliac crest called CLIC point).

设定髂前下棘下缘向后经过臀后线与骼嵴后部交叉点的连线截面为A线截面，此线与Chiotic线平行（Chiotic线与髂嵴后部交叉点称为CLIC点）。

Treatment is conducted with a single posterior spinal field abutting two lateral cranial fields. The opposed lateral fields are half-blocked and the inferior line is perpendicular. The posterior field uses some fixed field parameters so that the cephalad edge of the posterior field is coplanar with the caudal edges of the lateral fields and it is independent of the height of the couch.

治疗采用2个侧向全颅野加一个背侧的全脊髓野，2侧全颅野采用半野技术，下界共面并垂直于地面；固定全脊髓野一些参数以方便设计及摆位，并且上界与全颅野下界共面。

Results Preserving bilateral S1 anterior and posterior roots intact combined with rhizotomies of L7 and S2～3 posterior roots, intradural stimulation of S1 posterior root producedan increase of bladder and urethral pressure similar to that of stimulation of the S1 common root in extradural.

结果 保留2侧S1前后根完整，电刺激同平面S1的总根或后根，膀胱尿道的压力反应相同；切断两侧S1前根，刺激同平面的S1后根，膀胱尿道的压力反应显著降低，仅为前后根完整时的7%～12%。

The majority of these injuries require combined anterior and posterior fixation because of the severe degree of bony and ligamentous disruption they exhibit.22,23 Today, with improved anesthesia and improved anterior locking plates and posterior segmental fixation systems,2,3,5–8,16,18,22,27 a combined anterior and posterior procedure is not as daunting a task.

由于存在严重的骨和韧带结构的破坏，这种类型的损伤大多需要前后路联合固定。现在，随着麻醉技术的进步，前方锁定钢板和后方节段内固定系统的改进，联合前后路操作已不再是一项另人畏惧的工作。

When surgery is indicated after central cord injury in the stable spondylotic spine, it is the overall cervical spinal alignment and the number of levels affected that determine the surgical approach.30 When the spine is lordotic, and particularly when there are multiple levels of compression; a posterior approach, either a laminectomy and fusion or a cervical laminoplasty are recommended approaches.28 If the spine is neutral or slightly kyphotic, then occasionally, after a posterior laminectomy, lordosis may be achieved with intraoperative positioning and maintained with posterior lateral mass fixation and fusion.

当不伴有颈椎不稳的颈椎病并颈髓中心管损伤患者需要手术治疗时，整个颈椎的序列和受累的节段决定了手术入路的选择。颈椎处于前凸状态，尤其是多节段颈髓均有受压时，建议采用后方入路进行全椎板切除融合或颈椎椎板成形术。假如颈椎处于中立位或稍微后凸时，有时通过后方的全椎板切除，术中复位和侧块螺钉固定融合，可以恢复颈椎的前凸。

In Perciformes, chromaffin cells are distributed around the anterior and posterior cardinal veins and ducts of Cuvier; in Salmoniformes, around the posterior cardinal veins and in the hematopoietic tissue; and in G. affinis, around the ducts of Cuvier and posterior cardinal veins, while a few are visible also around the sinus venosus.

在鲈、铬细胞周围分布前后主教Cuvier脉及管道；在鲑鳟鱼类、周围静脉和后部主教在造血组织； G、慈、氩在地层的管道打通Cuvier后路主教，同时也有不少是围绕着静脉窦。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失