锤骨的
- 与 锤骨的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The raw data was processed by using axial, coronal and double oblique multi-planar reformation; Images obtained were graded in terms of quality with a 5-point scale(5=excellent, 4=good, 3=fair, 2=poor, and 1=nondiagnostic). In grading image quality at axial MPR, The radiologic specialists focused on the subarcuate fossa, tendon of tensor tympani, facial recess, vestibular aqueduct and pyramidal eminence, In grading image quality at coronal MPR, attention was given to the scute, crista transversa, fenestra cochleae, lateral malleal ligament and snake eyes signature of cranial nerve, In the grading of the image quality at double oblique MPR, the radiologic specialists concentrated on the malleus, incus, stirrup bone, upper bony semicircular and aquaeductus fallopii, and then to implement statistical analysis. In order to choose the minimum tube current values and the maximum pitch that can satisfy the diagnosis request, image quality of axial, coronal and double oblique reformation images was compared with different tube current groups. 15 ears of volunteers were used to test the validity with the scanning parameter. Subsequently noise, MTF and dose length product were measured by phantoms in different tube current and pitch, the parameters obtained were compared and taken into statistics analysis.
扫描模式使用临床常用的颞骨螺旋扫描方式:管电压120 kV,准直宽度20×0.6 mm,视野200 mm,重建矩阵512×512,旋转时间1 s/r,重建层厚0.6 mm,重建间隔0.3 mm,分别改变管电流(380、300、200、160、120和80 mA)和螺距(0.8、1.0和1.2)进行扫描和重建,然后对颞骨进行横断面、冠状面和双斜面多平面重组,于重组后的横断层面图像上选取弓形下窝、鼓膜张肌腱、面神经隐窝、前庭导水管和锥隆起5个解剖结构,冠状面重组图像上选取盾板、横嵴、蜗窗、面神经的蛇眼征和锤骨外侧韧带5个解剖结构,双斜面重组图像上选取锤骨、砧骨、镫骨、上骨半规管和面神经管5个解剖结构,在双盲的情况下由放射学专家分别对各管电流和螺距下扫描的重组图像进行评分,随后进行统计学处理,从中筛选出满足诊断要求的最低管电流值和最大的螺距,分别采用患者25例(15耳)用该管电流值和螺距验证其可行性;然后利用模体分别测试各管电流和螺距下的图像的空间分辨率、噪声及其剂量长度积,并对测试所得参数数值进行比较和统计学处理。
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Results The representation of the structures of ill ears on CTVE and its comparison with coronal and axial CT film and operation: In 24 purulent otitis media, CTVE had a coincidence of 91.7% with operation of handle of malleus, 95.8% of head of malleus,95.8% of long limb of incus ,100% of short limb of incus, 87.5% of limbs of stapes.
结果:24耳慢性化脓性中耳炎中CTVE显示锤骨柄、砧骨长脚骨质破坏与手术所见的符合率为91.7%(22/24),显示锤骨头骨质破坏的符合率为95.8%(23/24),显示砧骨短脚骨质破坏的符合率为100%(24/24),显示镫骨脚骨质破坏的符合率为87.5%(21/24)。
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MethodsTraditional gradient force, gradient plus pressure force and gradient vector flow force were used in active contour models to segment malleus, incus, eardrum and some shared surface images. The segmentation results were compared. ResultsBoth the gradient force and the GVF force resulted in satisfactory results when the initial contours were close to the boundary.
将传统的梯度外力、梯度加压力及梯度矢量流外力应用于主动轮廓模型,分别对砧骨、锤骨、砧骨和锤骨间的共享狭窄面及鼓膜等图像进行图像分割,比较图像分割的结果,选择收敛速度快、分割结果准确的方法。
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RESULTS Cochlea,semicircular canal,scutum,internal auditory canal,vertical segment of facial nerve canal were clearly shown in all cases by different slices of MPR images.3D CT can vividly demonstrate the shape and spatial relation-ships of malleus and incus.
三维CT能生动地显示锤骨、砧骨的立体形态及空间关系。
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①The distance between handle of malleus and stapes, the dia_meter of manubrium mallei are important to the design of prosthesis.
①锤骨柄与镫骨头之间的最短距离及锤骨柄的直径对赝复物的设计具有指导意义。
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Results:① The distance between handle of malleus and stapes head was(2.38±0.19)cm(2.00~2.70cm), the point selecting for measuring was outer margin of handle of malleus and stpes head.②The cross section form of one_third of the handle of malleus at the end, was triangle, the anteroposterior diameter of handle of malleus was(0.79±0.12)mm, the exterior and interior diameter was(0.58±0.10)mm at the crook point,the angle of line of manubrium mallei laid(83.24±8.33)°(66~98°)posteroinferior to arch of zygoma.③The long axis of prosthesis formed(27.60±1.75)°(24.6~30.2°)angle with the perpendicular of stapes.④The dependablity between the malleus_stapes distance and transverse diameter of tympanum, the location of umbo in tympanic membrane, the diameter of manubrium mallei, angle of line of manubrium mallei and arch of zygoma were not statistically significant.
结果:①锤_镫距离最短为(2.38±0.19)cm(2.00~2.70cm),测量点为锤骨柄末端1/3处外缘和镫骨头;②锤骨柄末段1/3横断面形状接近三角形,弯曲处前、后方向直径为(0.79±0.12)mm,内、外方向直径为(0.58±0.10)mm;锤骨柄与颞线的成角为(83.24±8.33)°(66~98°);③赝复物长轴与镫骨垂直方向成角平均为(27.60±1.75)°(24.6~30.2°);④锤_镫距离与鼓室横径、鼓脐在鼓膜上的位置、锤骨柄直径、锤骨柄的方位的可能相关因素之间相关性检验无统计学意义。
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Methods: Micranatomical study was carried out on 30 sides of human temporal bones to measure the location of umbo in tympanic membrane, the distance between handle of malleus and stapes head, the diameter of handle of malleus.
取成人完整鼓室标本15例(30侧)凿除乳突和外耳道前、后、下壁,保留上壁,在手术放大镜下测量鼓脐在鼓膜上的位置、锤骨柄至镫骨头距离、锤骨柄直径等。
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The handle of the malleus, with the umbo at its tip, crosses the drum obliquely from the cone of light upward toward the short process.
对于处理锤骨的秘诀在于与鼓膜脐穿过鼓间接从锥光向上移动的短期进程。
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Also note the position of the handle of the malleus and inspect the short process of the malleus.
同时也要注意处理锤骨时的位置以及检查锤骨的最短过程。
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The panorama of malleus could be demonstrated in coronal ts-MIP
冠状面ts-M IP可显示锤骨的全貌
- 推荐网络例句
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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。
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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。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?