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The most common locations for berry aneurysms are in the region of the anterior communicating and anterior cerebral, at the trifurcation of the middle cerebral, and at the bifurcation of internal carotid with posterior communicating.

颅内小动脉瘤最常见的部位是前交通动脉和大脑前动脉及三支动脉(大脑中动脉、颈内动脉、后交通动脉)分叉处。

The first to tertiary ramification of portal vein and their significance. The first order branch of portal vein had four patterns: namely, normal branching pattern, 90 cases (90%); trifurcation, 5 cases (5%); independent branching of right posterior branch from main portal vein, 4 cases (4%); and complicated branching pattern, 1 case (1%).

门静脉第一到第三级分支的解剖和变异门静脉第一级分支有四种类型，即正常分支型，90例（90％）；右前支、右后支和左门静脉同时分支型，5例（5％）；右后支独立分支型，4例（4％）；及复杂分支型，1例（1％）。15例（15％）右门静脉不形成单独右后支，而是右后下支P6和右后上支P7分别从右门静脉分出，这种变异并非少见而文献中却很少描述。

Results The segmental bronchial ramifications of the left upper lobe were classified into three types mainly: common stem of apical and posterior segmental bronchi (64%, 130/200), trifurcation (23%,45/200), common stem of apical and anterior segmental bronchi (10%, 21/200), and they could be identified in two typical slices of transverse thin-section CT.

左肺上叶3种主要分支类型可以通过薄层CT横断面图像2个典型层面辨认；左肺下叶依据基底干支气管分支的不同分为2种主要类型，Ⅰ型163例(75%)：基底干支气管两分支，即内前底段支气管、外后底段支气管；Ⅱ型39例(18%)：基底干支气管3分支，即内前底段、外侧底段、后底段支气管。

Surgical management consisted of excision of the posterior calcaneal tuberosity and bursectomy through a medial longitudinal incision.

开刀治疗主要是经由内侧的伤口进行包括后足跟突出处的切除及滑囊切除。14个病人（78％），19个踝关节接受了追踪治疗。

We cut the bone from A line to Chiotic line for observing the morphologic characteristics of posterior iliac column, iliac tuberosity, greater sciatic notch, as well the length and height of PCI.

沿A线和Chiotic线截断髂骨，测量以下数据：髂骨后柱的长度、宽度和高度，观察坐骨大切迹及髂粗隆的解剖学形态；用该技术治疗骶骨骨折5例，骶骨肿瘤6例。

To measure structures of the posterior tympanum and thus to provide theoretical reference for operation approach related to the middle ear.

目的通过研究后鼓室有关解剖结构，及对后鼓室入路手术的径路进行观察、测量，为中耳相关手术入路提供理论参考依据。

Methods60 sides of 30 dry temporal bone specimens had their mastoids outlined by an electric drill, and then the related structure of the posterior tympanum was exposed. Distances of the related anatomic structures were determined under surgical microscopy.

方法取成人30个干性颅骨的60侧颞骨，用耳科钻完成乳突腔气房"轮廓化"，充分暴露后鼓室的各相关结构，在手术显微镜下进行解剖学观察，并对有关结构之间的距离进行测量。

Results of measurement of mimic rotatory manipulative reduction indicate that there are undulant changes within the intra -pressure of posterior facet joints.

对模拟旋转手法测定表明：后关节内压力呈波浪状变化，其下关节突出现向上→前→下→后的全方位移动。

The side of ertebral anomaly correlated with that of hemifacial microsomia in 5 of 11 patients with scoliosis or kyphoscoliosis. Thoracolumbar kyphosis occurred in 4 patients, including 2 who had posterior hemiertebrae, 1 who had wedge ertebrae, and the remaining who had an anterior unsegmented bar.

由半脊椎引起的腰椎侧凸只见于一个病人身上。11个病人中的5个有脊椎侧凸或脊椎后侧凸的病人里，脊椎畸形的部位与偏侧矮小的部位有关。

Cases had satisfactory urination (89.7%). Conclusion Transurethral urethrotomy with memoral alloy netlike stent was believed to be a useful treatment for difficult posterior urethral sturerict or obliteration.

采用尿道内切开结合记忆合金支架置入术治疗难治性后尿道狭窄或闭锁疗效满意。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。