查询词典 scan head

The thin-slice MRI scan were examed at 2,4,6,8,10,12hours on the experimental group.The histopathological changes in different period were studied. Results The MRI intensity as 2 hours after ischemia increased signal intersity on T2W imaging were observed at the head of caudate nucleus and the lentiform nucleus.

经颞开颅阻断一侧大脑中动脉，造成MCA供应区急性缺血性脑梗塞，术后4、6、8、12h行MRI薄层扫描；取出动物大脑观察病理改变，测定不同时相梗塞区T2时间和组织水含量。

A Contrast-enhanced CT scan of the upper abdomen shows a saclike mass of dilated jejunal loops between the pancreatic head and stomach. The descending mesocolon and stomach are displaced laterally. The dilated inferior mesenteric vein is located at the anterior border of the encapsulated loops.

a 上腹部增强CT扫描显示胰头和胃之间见囊状成簇扩张的空肠，降结肠系膜和胃被推移到侧方，扩张的肠系膜下静脉是疝囊内肠襻的前界。

During CT scan,patients were in supine position, and the teeth in the middle of the contactposition on the jaw; and maintain a static head and body during the scanningprocess, did not swallow; measurement parameters including: soft palatelength, maximum thickness of the soft palate, pharynx lateral spacing, uvula length and base width of the free edge ofsoft palate to the throat wall spacing, velopharyngeal cross-sectional area,angina cross-sectional area,thickness of retropharyngeal wall.

随机对10例患者进行系统的腭咽CT测量，测量时间为术前、术后3个月、术后6个月；测量方法为：患者在清醒状态下进行平静呼吸时的上气道CT扫描，范围自听眶线至声门。利用CT工作站进行三维重建和测量。CT扫描时患者取仰卧位，牙齿处于正中颌的接触位上。

The suspicion of cancer is increased by the following factors:(1) age (young patients are more susceptible);(2) sex, if the patient is a man (more women have thyroid cancer by a ratio of 2:1, but women have more thyroid disease by a ratio of about 8:1; thus, a man with a nodule should be regarded with greater suspicion);(3) a solitary nodule (multinodular lesions are usually benign unless there is a dominant cold nodule by thyroid scan);(4) a cold nodule on thyroid isotopic scanning (hot nodules are seldom cancerous);(5) a history of radiation exposure to the head, neck, or chest, especially in infancy and childhood (eg, for an enlarged thymus or enlarged tonsils, acne, or lymphoma);(6) radiographic evidence of fine, stippled psammomatous calcification or dense, homogeneous calcification;(7) recent or rapid enlargement; and (8) stony-hard consistency.

下列因素可增加癌的可疑性：(1)年龄；(2)性别，如果病人为男性(女性与男性的甲状腺癌比为2：1，但女性更多的是得甲状腺病，约为8：1，因此，男性有甲状腺结节时应考虑癌的可能性更大)；(3)孤立小结(多结节病变一般为良性，除非甲状腺扫描时呈明显的冷结节)；(4)甲状腺同位素扫描时发现冷结节；(5)有过头、颈、胸放射接触史，尤其是婴儿和儿童期(例如，因胸腺增大或扁桃体肿大、痤疮或淋巴瘤等)；(6)X线片见细、斑点状、沙粒样钙化或致密、匀质钙化；(7)最近增大或快速增大；(8)质地石头样坚硬。

A scan of a baby's head is equivalent to between 200 and 600 chest X-rays.

对婴儿的头部进行一次扫描相当于进行了200至600次胸透。

A scan of a baby's head is equivalent to between 200 and 600 chest X-rays.

对婴儿头部进行一次扫描相当于200至600次的胸透剂量。

The outline form of femoral head and signal feature in MRI scan can analyze result of Perthes disease.

通过MR I上股骨头的外形及信号特点还可以对病情的预后做出判断。

First, sequential tomograms of the hip are obtained from a CT scan; secondly, an accurate and automatic method is used to extract the profile of the acetabulum; thirdly, a hybrid method is utilized to gather fiducial marks on the acetabulum; fourthly, bulky error sampling points are removed. Finally, an ellipsoid fitting method is used to fit the ellipsoid model of the femoral head. Two male sufferers with different necrosis extents are chosen as experimental subjects for contrastive simulation.

首先利用一种精确的自动分割方法在髋骨部位CT序列图像中提取髋臼轮廓；然后使用基于等距栅格采样法与辐条式采样法相结合的混合采样法得到髋臼凹面的空间坐标点集，并剔除其中的误差采样点；最后采用基于二次曲面一般方程的方法拟合原始股骨头椭球面模型。

Because the microelectrode array is so small ( fewer than 10 pixels by 10 pixels), the patient experiences tunnel vision—head movements are needed to scan scenes.

而且这个微电极阵列很小(小于10×10像素)，所以使用者的视野很狭隘，必须要移动头部才能扫描出外界景像。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。