查询词典 Ct

On the contrary, the high income medical regions have significantly lower chance for CT utilization. For mental disorders,"senile and presenile organic mental disorders","other mental disorder" and "schizophrenia" have significantly higher chance for CT utilization.

在精神疾病类别方面，当病患有「老年期初老年期器质性精神病态」、「精神分裂症」、「其他之精神病」、「酒瘾徵候群」、「药瘾」、「智能不足」等疾病时，其CT医疗利用机率显著较高(p.05)，其中以罹患「老年期初老年期器质性精神病态」者其CT利用之机率为「精神官能症及人格异常」者之33.65倍为最高。

Methods Eighteen patients with biliary calculi underwent volume scanning using spiral CT (Hispeed Advantage CT/i GE ). All data were transferred to computer workstation, and CT biliary virtual endoscopy images with pseudocolor encoding were generated from the volumatric data using the Navigator Smooth soft-ware.

选择18例胆道结石患者行横轴面CT扫描，将容积数据重建后输入计算机工作站，用三维导航软件功能重建成仿真内窥镜图像，调整阈值并用伪彩色技术立体观察结石。

Objective To evaluate the CT findings of female pseudohermaphroditism. Methods The CT findings in 4 cases of female pseudohermaphroditism were analyzed retrospectively.

目的 评价女性假两性畸形的CT表现特点及其临床价值方法回顾性分析4例经手术及临床诊断女性假两性畸形的CT表现。

Even among patients with type 1 occlusion, when the timing of CT is very early, the extent of hypodensity may be restricted to a part of the putamen or the insula.

1型大脑中动脉闭塞的患者，如果进行脑部CT检查的时间过早，低密度区的范围可能会仅限于岛叶或部分壳核（I级早期CT征象或II级早期CT征象）。

Results the imaging manifestations of osteoid osteoma revealed a circular or oval radiolucency with different bone sclerosis around the nidus.the diameter ranged from 0.3cm to 1.6cm,with the average of 0.9cm.among 18 cases,only 14 cases showed nidus on plain film, all 15 cases with ct scanning showed nidus.the detection rate of nidus was 78％(14/18) for x-ray plain film and 100％(15/15) for ct, respectively.

结果 18例病灶均表现为一圆形或卵圆形的透亮区，直径0.3～1.6cm，平均0.9cm，其周围有不同程度的骨质硬化。18例x线平片仅14例显示瘤巢，15例行ct检查者均清楚显示瘤巢，x线和ct对瘤巢显示率分别为78％(14∕18)和100％(15∕15)。

The transepicondylar axis of different position has no effect on volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.The top view at which lateral epicondyle of the humerus showing minitriangulum and the anterior surface of the distal humerus articulation with the forearm being shaded is more simple,faster and precise for the volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.

结论］肱骨头扭转角变异较大，肩关节假体扭转角设计应个性化；肱骨远端不同位置内外上髁轴线对多层螺旋CT容积再现测量肱骨头扭转角没有影响；俯视位观察肱骨，当外上髁露出呈小三角形、肱骨远端前关节面被肱骨头遮盖重叠的位置是多层螺旋CT三维重建测量肱骨头扭转角的更简单、更快捷而且准确的测量位置。

Objective To assess the ability of MR cisternographyin the diagnosis of cerebrospinal rhinorrhea, and compare the advantages and disadvantages of MRC, CT cisternographyand high-resolution CT.

目的研究MR脑池造影术显示脑脊液鼻漏的能力，并比较分析高分辨率CT、CT脑池造影术和MRC显示脑脊液鼻漏的优缺点。

Objective To summarize the different phenomena of ectopic pregnancy with the presentation of CT and MRI and increase the accuracy of diagnosis.Methods Through the analysis of 11 cases of ectopic pregnancy verified as salpinx pregnancy by surgical pathology and research into related literature, the CT and MRI features and the diagnostic value were analyzed.

总结宫外孕的CT与MRI影像表现，提高诊断的准确性方法 11例宫外孕经手术病理证实均输卵管妊娠，结合文献探讨其CT、MRI影像特征及诊断价值。

Recent estimates of the effects of radiation from CT scanning have suggested that a single CT scan of the head in a 65-year-old is associated with an 0.04% lifetime risk of cancer 17 (the risks are higher for younger patients).

据最有关CT扫描辐射的研究指出，在一个65岁的老人，接受单次的头颅CT扫描伴随患0.04%癌症的发生风险（这些风险在年轻患者中更高）。

Independent factors associated with radiation dose were patient weight (relative effect on DLP, 5%; 95% confidence interval , 4%-6%), absence of stable sinus rhythm (10%; 95% CI, 2%-19%), scan length (5%; 95% CI, 4%-6%), electrocardiographically controlled tube current modulation (–25%; 95% CI,–23% to –28%; applied in 73% of patients), 100-kV tube voltage (–46%; 95% CI,–42% to –51%; applied in 5% of patients), sequential scanning (–78%; 95% CI,–77% to –79%; applied in 6% of patients), experience in cardiac CT (–1%; 95% CI,–1% to 0%), number of CCTA s per month (0%; 95% CI, 0%-1%), and type of 64-slice CT system (for highest vs lowest dose system, 97%; 95% CI, 88%-106%).

与放射剂量有关的独立因子有：病人的体重（对DLP的相对影响，占5%）；稳定窦性节律的阙如（占10%的影响）；扫描的长度（扫描长度增加1厘米相当于DLP增加5%）；应用心电图控制的管电流调制（导致DLP降低25%；用于73%的患者身上）；100-kV 管电压（使DLP降低46%，应用于5%的患者）；序贯扫描（降低78%；应用于6%的病人）；对心脏CT的经验（降低1%）；每月CCTA的数量；64层CT系统的类型

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。